55488680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6277}}^1$

素因数の和:6318

約数の個数: 64

約数和(自身を含む): 142385040

約数和(自身を除く): 86896360

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, 4420, 6277, 8840, 12554, 25108, 31385, 50216, 62770, 81601, 106709, 125540, 163202, 213418, 251080, 326404, 408005, 426836, 533545, 652808, 816010, 853672, 1067090, 1387217, 1632020, 2134180, 2774434, 3264040, 4268360, 5548868, 6936085, 11097736, 13872170, 27744340, 55488680]

約数ペア:

[(1, 55488680), (2, 27744340), (4, 13872170), (5, 11097736), (8, 6936085), (10, 5548868), (13, 4268360), (17, 3264040), (20, 2774434), (26, 2134180), (34, 1632020), (40, 1387217), (52, 1067090), (65, 853672), (68, 816010), (85, 652808), (104, 533545), (130, 426836), (136, 408005), (170, 326404), (221, 251080), (260, 213418), (340, 163202), (442, 125540), (520, 106709), (680, 81601), (884, 62770), (1105, 50216), (1768, 31385), (2210, 25108), (4420, 12554), (6277, 8840)]