4345580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 9698304

約数和(自身を除く): 5352724

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 163, 172, 215, 310, 326, 430, 620, 652, 815, 860, 1333, 1630, 2666, 3260, 5053, 5332, 6665, 7009, 10106, 13330, 14018, 20212, 25265, 26660, 28036, 35045, 50530, 70090, 101060, 140180, 217279, 434558, 869116, 1086395, 2172790, 4345580]

約数ペア:

[(1, 4345580), (2, 2172790), (4, 1086395), (5, 869116), (10, 434558), (20, 217279), (31, 140180), (43, 101060), (62, 70090), (86, 50530), (124, 35045), (155, 28036), (163, 26660), (172, 25265), (215, 20212), (310, 14018), (326, 13330), (430, 10106), (620, 7009), (652, 6665), (815, 5332), (860, 5053), (1333, 3260), (1630, 2666)]