26139880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2957}}^1$

素因数の和:2998

約数の個数: 64

約数和(自身を含む): 67087440

約数和(自身を除く): 40947560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 2957, 4420, 5914, 8840, 11828, 14785, 23656, 29570, 38441, 50269, 59140, 76882, 100538, 118280, 153764, 192205, 201076, 251345, 307528, 384410, 402152, 502690, 653497, 768820, 1005380, 1306994, 1537640, 2010760, 2613988, 3267485, 5227976, 6534970, 13069940, 26139880]

約数ペア:

[(1, 26139880), (2, 13069940), (4, 6534970), (5, 5227976), (8, 3267485), (10, 2613988), (13, 2010760), (17, 1537640), (20, 1306994), (26, 1005380), (34, 768820), (40, 653497), (52, 502690), (65, 402152), (68, 384410), (85, 307528), (104, 251345), (130, 201076), (136, 192205), (170, 153764), (221, 118280), (260, 100538), (340, 76882), (442, 59140), (520, 50269), (680, 38441), (884, 29570), (1105, 23656), (1768, 14785), (2210, 11828), (2957, 8840), (4420, 5914)]