140019620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1627}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 317811648

約数和(自身を除く): 177792028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 1324, 1627, 1655, 3254, 3310, 4303, 6508, 6620, 8135, 8606, 16270, 17212, 21151, 21515, 32540, 42302, 43030, 84604, 86060, 105755, 211510, 423020, 538537, 1077074, 2154148, 2692685, 5385370, 7000981, 10770740, 14001962, 28003924, 35004905, 70009810, 140019620]

約数ペア:

[(1, 140019620), (2, 70009810), (4, 35004905), (5, 28003924), (10, 14001962), (13, 10770740), (20, 7000981), (26, 5385370), (52, 2692685), (65, 2154148), (130, 1077074), (260, 538537), (331, 423020), (662, 211510), (1324, 105755), (1627, 86060), (1655, 84604), (3254, 43030), (3310, 42302), (4303, 32540), (6508, 21515), (6620, 21151), (8135, 17212), (8606, 16270)]