51007640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11699}}^1$

素因数の和:11819

約数の個数: 32

約数和(自身を含む): 115830000

約数和(自身を除く): 64822360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 11699, 23398, 46796, 58495, 93592, 116990, 233980, 467960, 1275191, 2550382, 5100764, 6375955, 10201528, 12751910, 25503820, 51007640]

約数ペア:

[(1, 51007640), (2, 25503820), (4, 12751910), (5, 10201528), (8, 6375955), (10, 5100764), (20, 2550382), (40, 1275191), (109, 467960), (218, 233980), (436, 116990), (545, 93592), (872, 58495), (1090, 46796), (2180, 23398), (4360, 11699)]