17929840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2837}}^1$

素因数の和:2929

約数の個数: 40

約数和(自身を含む): 42229440

約数和(自身を除く): 24299600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2837, 3160, 5674, 6320, 11348, 14185, 22696, 28370, 45392, 56740, 113480, 224123, 226960, 448246, 896492, 1120615, 1792984, 2241230, 3585968, 4482460, 8964920, 17929840]

約数ペア:

[(1, 17929840), (2, 8964920), (4, 4482460), (5, 3585968), (8, 2241230), (10, 1792984), (16, 1120615), (20, 896492), (40, 448246), (79, 226960), (80, 224123), (158, 113480), (316, 56740), (395, 45392), (632, 28370), (790, 22696), (1264, 14185), (1580, 11348), (2837, 6320), (3160, 5674)]