18580160

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1921

約数の個数: 56

約数和(自身を含む): 45695616

約数和(自身を除く): 27115456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1873, 1984, 2480, 3746, 4960, 7492, 9365, 9920, 14984, 18730, 29968, 37460, 58063, 59936, 74920, 116126, 119872, 149840, 232252, 290315, 299680, 464504, 580630, 599360, 929008, 1161260, 1858016, 2322520, 3716032, 4645040, 9290080, 18580160]

約数ペア:

[(1, 18580160), (2, 9290080), (4, 4645040), (5, 3716032), (8, 2322520), (10, 1858016), (16, 1161260), (20, 929008), (31, 599360), (32, 580630), (40, 464504), (62, 299680), (64, 290315), (80, 232252), (124, 149840), (155, 119872), (160, 116126), (248, 74920), (310, 59936), (320, 58063), (496, 37460), (620, 29968), (992, 18730), (1240, 14984), (1873, 9920), (1984, 9365), (2480, 7492), (3746, 4960)]