31583920

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3833}}^1$

素因数の和:3949

約数の個数: 40

約数和(自身を含む): 74164896

約数和(自身を除く): 42580976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3833, 4120, 7666, 8240, 15332, 19165, 30664, 38330, 61328, 76660, 153320, 306640, 394799, 789598, 1579196, 1973995, 3158392, 3947990, 6316784, 7895980, 15791960, 31583920]

約数ペア:

[(1, 31583920), (2, 15791960), (4, 7895980), (5, 6316784), (8, 3947990), (10, 3158392), (16, 1973995), (20, 1579196), (40, 789598), (80, 394799), (103, 306640), (206, 153320), (412, 76660), (515, 61328), (824, 38330), (1030, 30664), (1648, 19165), (2060, 15332), (3833, 8240), (4120, 7666)]