40909360

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6473}}^1$

素因数の和:6565

約数の個数: 40

約数和(自身を含む): 96333120

約数和(自身を除く): 55423760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 6473, 12946, 25892, 32365, 51784, 64730, 103568, 129460, 258920, 511367, 517840, 1022734, 2045468, 2556835, 4090936, 5113670, 8181872, 10227340, 20454680, 40909360]

約数ペア:

[(1, 40909360), (2, 20454680), (4, 10227340), (5, 8181872), (8, 5113670), (10, 4090936), (16, 2556835), (20, 2045468), (40, 1022734), (79, 517840), (80, 511367), (158, 258920), (316, 129460), (395, 103568), (632, 64730), (790, 51784), (1264, 32365), (1580, 25892), (3160, 12946), (6320, 6473)]