156660880

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{12473}}^1$

素因数の和:12643

約数の個数: 40

約数和(自身を含む): 366585912

約数和(自身を除く): 209925032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12473, 12560, 24946, 49892, 62365, 99784, 124730, 199568, 249460, 498920, 997840, 1958261, 3916522, 7833044, 9791305, 15666088, 19582610, 31332176, 39165220, 78330440, 156660880]

約数ペア:

[(1, 156660880), (2, 78330440), (4, 39165220), (5, 31332176), (8, 19582610), (10, 15666088), (16, 9791305), (20, 7833044), (40, 3916522), (80, 1958261), (157, 997840), (314, 498920), (628, 249460), (785, 199568), (1256, 124730), (1570, 99784), (2512, 62365), (3140, 49892), (6280, 24946), (12473, 12560)]