8252920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 20412000

約数和(自身を除く): 12159080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 269, 295, 472, 520, 538, 590, 767, 1076, 1180, 1345, 1534, 2152, 2360, 2690, 3068, 3497, 3835, 5380, 6136, 6994, 7670, 10760, 13988, 15340, 15871, 17485, 27976, 30680, 31742, 34970, 63484, 69940, 79355, 126968, 139880, 158710, 206323, 317420, 412646, 634840, 825292, 1031615, 1650584, 2063230, 4126460, 8252920]

約数ペア:

[(1, 8252920), (2, 4126460), (4, 2063230), (5, 1650584), (8, 1031615), (10, 825292), (13, 634840), (20, 412646), (26, 317420), (40, 206323), (52, 158710), (59, 139880), (65, 126968), (104, 79355), (118, 69940), (130, 63484), (236, 34970), (260, 31742), (269, 30680), (295, 27976), (472, 17485), (520, 15871), (538, 15340), (590, 13988), (767, 10760), (1076, 7670), (1180, 6994), (1345, 6136), (1534, 5380), (2152, 3835), (2360, 3497), (2690, 3068)]