25202840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2851}}^1$

素因数の和:2892

約数の個数: 64

約数和(自身を含む): 64683360

約数和(自身を除く): 39480520

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, 2851, 4420, 5702, 8840, 11404, 14255, 22808, 28510, 37063, 48467, 57020, 74126, 96934, 114040, 148252, 185315, 193868, 242335, 296504, 370630, 387736, 484670, 630071, 741260, 969340, 1260142, 1482520, 1938680, 2520284, 3150355, 5040568, 6300710, 12601420, 25202840]

約数ペア:

[(1, 25202840), (2, 12601420), (4, 6300710), (5, 5040568), (8, 3150355), (10, 2520284), (13, 1938680), (17, 1482520), (20, 1260142), (26, 969340), (34, 741260), (40, 630071), (52, 484670), (65, 387736), (68, 370630), (85, 296504), (104, 242335), (130, 193868), (136, 185315), (170, 148252), (221, 114040), (260, 96934), (340, 74126), (442, 57020), (520, 48467), (680, 37063), (884, 28510), (1105, 22808), (1768, 14255), (2210, 11404), (2851, 8840), (4420, 5702)]