89908520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4673}}^1$

素因数の和:4734

約数の個数: 64

約数和(自身を含む): 223791120

約数和(自身を除く): 133882600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4673, 4810, 9346, 9620, 18692, 19240, 23365, 37384, 46730, 60749, 93460, 121498, 172901, 186920, 242996, 303745, 345802, 485992, 607490, 691604, 864505, 1214980, 1383208, 1729010, 2247713, 2429960, 3458020, 4495426, 6916040, 8990852, 11238565, 17981704, 22477130, 44954260, 89908520]

約数ペア:

[(1, 89908520), (2, 44954260), (4, 22477130), (5, 17981704), (8, 11238565), (10, 8990852), (13, 6916040), (20, 4495426), (26, 3458020), (37, 2429960), (40, 2247713), (52, 1729010), (65, 1383208), (74, 1214980), (104, 864505), (130, 691604), (148, 607490), (185, 485992), (260, 345802), (296, 303745), (370, 242996), (481, 186920), (520, 172901), (740, 121498), (962, 93460), (1480, 60749), (1924, 46730), (2405, 37384), (3848, 23365), (4673, 19240), (4810, 18692), (9346, 9620)]