788268520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1039}}^1\times {\mathrm{1459}}^1$

素因数の和:2522

約数の個数: 64

約数和(自身を含む): 1913184000

約数和(自身を除く): 1124915480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1039, 1459, 2078, 2918, 4156, 5195, 5836, 7295, 8312, 10390, 11672, 13507, 14590, 18967, 20780, 27014, 29180, 37934, 41560, 54028, 58360, 67535, 75868, 94835, 108056, 135070, 151736, 189670, 270140, 379340, 540280, 758680, 1515901, 3031802, 6063604, 7579505, 12127208, 15159010, 19706713, 30318020, 39413426, 60636040, 78826852, 98533565, 157653704, 197067130, 394134260, 788268520]

約数ペア:

[(1, 788268520), (2, 394134260), (4, 197067130), (5, 157653704), (8, 98533565), (10, 78826852), (13, 60636040), (20, 39413426), (26, 30318020), (40, 19706713), (52, 15159010), (65, 12127208), (104, 7579505), (130, 6063604), (260, 3031802), (520, 1515901), (1039, 758680), (1459, 540280), (2078, 379340), (2918, 270140), (4156, 189670), (5195, 151736), (5836, 135070), (7295, 108056), (8312, 94835), (10390, 75868), (11672, 67535), (13507, 58360), (14590, 54028), (18967, 41560), (20780, 37934), (27014, 29180)]