4339480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 9840240

約数和(自身を除く): 5500760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 691, 785, 1256, 1382, 1570, 2764, 3140, 3455, 5528, 6280, 6910, 13820, 27640, 108487, 216974, 433948, 542435, 867896, 1084870, 2169740, 4339480]

約数ペア:

[(1, 4339480), (2, 2169740), (4, 1084870), (5, 867896), (8, 542435), (10, 433948), (20, 216974), (40, 108487), (157, 27640), (314, 13820), (628, 6910), (691, 6280), (785, 5528), (1256, 3455), (1382, 3140), (1570, 2764)]