78104360

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12437}}^1$

素因数の和:12605

約数の個数: 32

約数和(自身を含む): 176868360

約数和(自身を除く): 98764000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 12437, 24874, 49748, 62185, 99496, 124370, 248740, 497480, 1952609, 3905218, 7810436, 9763045, 15620872, 19526090, 39052180, 78104360]

約数ペア:

[(1, 78104360), (2, 39052180), (4, 19526090), (5, 15620872), (8, 9763045), (10, 7810436), (20, 3905218), (40, 1952609), (157, 497480), (314, 248740), (628, 124370), (785, 99496), (1256, 62185), (1570, 49748), (3140, 24874), (6280, 12437)]