20073613625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{577}}^1$

素因数の和:955

約数の個数: 64

約数和(自身を含む): 27468779520

約数和(自身を除く): 7395165895

約数列:

[1, 5, 13, 25, 65, 79, 125, 271, 325, 395, 577, 1027, 1355, 1625, 1975, 2885, 3523, 5135, 6775, 7501, 9875, 14425, 17615, 21409, 25675, 33875, 37505, 45583, 72125, 88075, 107045, 128375, 156367, 187525, 227915, 278317, 440375, 535225, 592579, 781835, 937625, 1139575, 1391585, 2032771, 2676125, 2962895, 3909175, 5697875, 6957925, 10163855, 12352993, 14814475, 19545875, 34789625, 50819275, 61764965, 74072375, 160588909, 254096375, 308824825, 802944545, 1544124125, 4014722725, 20073613625]

約数ペア:

[(1, 20073613625), (5, 4014722725), (13, 1544124125), (25, 802944545), (65, 308824825), (79, 254096375), (125, 160588909), (271, 74072375), (325, 61764965), (395, 50819275), (577, 34789625), (1027, 19545875), (1355, 14814475), (1625, 12352993), (1975, 10163855), (2885, 6957925), (3523, 5697875), (5135, 3909175), (6775, 2962895), (7501, 2676125), (9875, 2032771), (14425, 1391585), (17615, 1139575), (21409, 937625), (25675, 781835), (33875, 592579), (37505, 535225), (45583, 440375), (72125, 278317), (88075, 227915), (107045, 187525), (128375, 156367)]