42494920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 104509440

約数和(自身を除く): 62014520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1151, 1420, 1846, 2302, 2840, 3692, 4604, 4615, 5755, 7384, 9208, 9230, 11510, 14963, 18460, 23020, 29926, 36920, 46040, 59852, 74815, 81721, 119704, 149630, 163442, 299260, 326884, 408605, 598520, 653768, 817210, 1062373, 1634420, 2124746, 3268840, 4249492, 5311865, 8498984, 10623730, 21247460, 42494920]

約数ペア:

[(1, 42494920), (2, 21247460), (4, 10623730), (5, 8498984), (8, 5311865), (10, 4249492), (13, 3268840), (20, 2124746), (26, 1634420), (40, 1062373), (52, 817210), (65, 653768), (71, 598520), (104, 408605), (130, 326884), (142, 299260), (260, 163442), (284, 149630), (355, 119704), (520, 81721), (568, 74815), (710, 59852), (923, 46040), (1151, 36920), (1420, 29926), (1846, 23020), (2302, 18460), (2840, 14963), (3692, 11510), (4604, 9230), (4615, 9208), (5755, 7384)]