78942580

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{22051}}^1$

素因数の和:22239

約数の個数: 24

約数和(自身を含む): 166713120

約数和(自身を除く): 87770540

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 22051, 44102, 88204, 110255, 220510, 441020, 3947129, 7894258, 15788516, 19735645, 39471290, 78942580]

約数ペア:

[(1, 78942580), (2, 39471290), (4, 19735645), (5, 15788516), (10, 7894258), (20, 3947129), (179, 441020), (358, 220510), (716, 110255), (895, 88204), (1790, 44102), (3580, 22051)]