72715225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2971}}^1$

素因数の和:3081

約数の個数: 24

約数和(自身を含む): 99502560

約数和(自身を除く): 26787335

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 979, 2225, 2971, 4895, 14855, 24475, 32681, 74275, 163405, 264419, 817025, 1322095, 2908609, 6610475, 14543045, 72715225]

約数ペア:

[(1, 72715225), (5, 14543045), (11, 6610475), (25, 2908609), (55, 1322095), (89, 817025), (275, 264419), (445, 163405), (979, 74275), (2225, 32681), (2971, 24475), (4895, 14855)]