2645500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 96

約数和(自身を含む): 6971328

約数和(自身を除く): 4325828

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 37, 44, 50, 52, 55, 65, 74, 100, 110, 125, 130, 143, 148, 185, 220, 250, 260, 275, 286, 325, 370, 407, 481, 500, 550, 572, 650, 715, 740, 814, 925, 962, 1100, 1300, 1375, 1430, 1625, 1628, 1850, 1924, 2035, 2405, 2750, 2860, 3250, 3575, 3700, 4070, 4625, 4810, 5291, 5500, 6500, 7150, 8140, 9250, 9620, 10175, 10582, 12025, 14300, 17875, 18500, 20350, 21164, 24050, 26455, 35750, 40700, 48100, 50875, 52910, 60125, 71500, 101750, 105820, 120250, 132275, 203500, 240500, 264550, 529100, 661375, 1322750, 2645500]

約数ペア:

[(1, 2645500), (2, 1322750), (4, 661375), (5, 529100), (10, 264550), (11, 240500), (13, 203500), (20, 132275), (22, 120250), (25, 105820), (26, 101750), (37, 71500), (44, 60125), (50, 52910), (52, 50875), (55, 48100), (65, 40700), (74, 35750), (100, 26455), (110, 24050), (125, 21164), (130, 20350), (143, 18500), (148, 17875), (185, 14300), (220, 12025), (250, 10582), (260, 10175), (275, 9620), (286, 9250), (325, 8140), (370, 7150), (407, 6500), (481, 5500), (500, 5291), (550, 4810), (572, 4625), (650, 4070), (715, 3700), (740, 3575), (814, 3250), (925, 2860), (962, 2750), (1100, 2405), (1300, 2035), (1375, 1924), (1430, 1850), (1625, 1628)]