1984366960

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{157991}}^1$

素因数の和:158161

約数の個数: 40

約数和(自身を含む): 4643068896

約数和(自身を除く): 2658701936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 157991, 315982, 631964, 789955, 1263928, 1579910, 2527856, 3159820, 6319640, 12639280, 24804587, 49609174, 99218348, 124022935, 198436696, 248045870, 396873392, 496091740, 992183480, 1984366960]

約数ペア:

[(1, 1984366960), (2, 992183480), (4, 496091740), (5, 396873392), (8, 248045870), (10, 198436696), (16, 124022935), (20, 99218348), (40, 49609174), (80, 24804587), (157, 12639280), (314, 6319640), (628, 3159820), (785, 2527856), (1256, 1579910), (1570, 1263928), (2512, 789955), (3140, 631964), (6280, 315982), (12560, 157991)]