17996875000

素因数分解:

$2^3\times 5^8\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 45527320440

約数和(自身を除く): 27530445440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 443, 500, 520, 625, 650, 886, 1000, 1250, 1300, 1625, 1772, 2215, 2500, 2600, 3125, 3250, 3544, 4430, 5000, 5759, 6250, 6500, 8125, 8860, 11075, 11518, 12500, 13000, 15625, 16250, 17720, 22150, 23036, 25000, 28795, 31250, 32500, 40625, 44300, 46072, 55375, 57590, 62500, 65000, 78125, 81250, 88600, 110750, 115180, 125000, 143975, 156250, 162500, 203125, 221500, 230360, 276875, 287950, 312500, 325000, 390625, 406250, 443000, 553750, 575900, 625000, 719875, 781250, 812500, 1015625, 1107500, 1151800, 1384375, 1439750, 1562500, 1625000, 2031250, 2215000, 2768750, 2879500, 3125000, 3599375, 4062500, 5078125, 5537500, 5759000, 6921875, 7198750, 8125000, 10156250, 11075000, 13843750, 14397500, 17996875, 20312500, 27687500, 28795000, 34609375, 35993750, 40625000, 55375000, 69218750, 71987500, 89984375, 138437500, 143975000, 173046875, 179968750, 276875000, 346093750, 359937500, 449921875, 692187500, 719875000, 899843750, 1384375000, 1799687500, 2249609375, 3599375000, 4499218750, 8998437500, 17996875000]

約数ペア:

[(1, 17996875000), (2, 8998437500), (4, 4499218750), (5, 3599375000), (8, 2249609375), (10, 1799687500), (13, 1384375000), (20, 899843750), (25, 719875000), (26, 692187500), (40, 449921875), (50, 359937500), (52, 346093750), (65, 276875000), (100, 179968750), (104, 173046875), (125, 143975000), (130, 138437500), (200, 89984375), (250, 71987500), (260, 69218750), (325, 55375000), (443, 40625000), (500, 35993750), (520, 34609375), (625, 28795000), (650, 27687500), (886, 20312500), (1000, 17996875), (1250, 14397500), (1300, 13843750), (1625, 11075000), (1772, 10156250), (2215, 8125000), (2500, 7198750), (2600, 6921875), (3125, 5759000), (3250, 5537500), (3544, 5078125), (4430, 4062500), (5000, 3599375), (5759, 3125000), (6250, 2879500), (6500, 2768750), (8125, 2215000), (8860, 2031250), (11075, 1625000), (11518, 1562500), (12500, 1439750), (13000, 1384375), (15625, 1151800), (16250, 1107500), (17720, 1015625), (22150, 812500), (23036, 781250), (25000, 719875), (28795, 625000), (31250, 575900), (32500, 553750), (40625, 443000), (44300, 406250), (46072, 390625), (55375, 325000), (57590, 312500), (62500, 287950), (65000, 276875), (78125, 230360), (81250, 221500), (88600, 203125), (110750, 162500), (115180, 156250), (125000, 143975)]