74787560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13451}}^1$

素因数の和:13601

約数の個数: 32

約数和(自身を含む): 169495200

約数和(自身を除く): 94707640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 13451, 26902, 53804, 67255, 107608, 134510, 269020, 538040, 1869689, 3739378, 7478756, 9348445, 14957512, 18696890, 37393780, 74787560]

約数ペア:

[(1, 74787560), (2, 37393780), (4, 18696890), (5, 14957512), (8, 9348445), (10, 7478756), (20, 3739378), (40, 1869689), (139, 538040), (278, 269020), (556, 134510), (695, 107608), (1112, 67255), (1390, 53804), (2780, 26902), (5560, 13451)]