856549720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1\times {\mathrm{1459}}^1$

素因数の和:2612

約数の個数: 64

約数和(自身を含む): 2078748000

約数和(自身を除く): 1222198280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1129, 1459, 2258, 2918, 4516, 5645, 5836, 7295, 9032, 11290, 11672, 14590, 14677, 18967, 22580, 29180, 29354, 37934, 45160, 58360, 58708, 73385, 75868, 94835, 117416, 146770, 151736, 189670, 293540, 379340, 587080, 758680, 1647211, 3294422, 6588844, 8236055, 13177688, 16472110, 21413743, 32944220, 42827486, 65888440, 85654972, 107068715, 171309944, 214137430, 428274860, 856549720]

約数ペア:

[(1, 856549720), (2, 428274860), (4, 214137430), (5, 171309944), (8, 107068715), (10, 85654972), (13, 65888440), (20, 42827486), (26, 32944220), (40, 21413743), (52, 16472110), (65, 13177688), (104, 8236055), (130, 6588844), (260, 3294422), (520, 1647211), (1129, 758680), (1459, 587080), (2258, 379340), (2918, 293540), (4516, 189670), (5645, 151736), (5836, 146770), (7295, 117416), (9032, 94835), (11290, 75868), (11672, 73385), (14590, 58708), (14677, 58360), (18967, 45160), (22580, 37934), (29180, 29354)]