87401540

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{7129}}^1$

素因数の和:7751

約数の個数: 24

約数和(自身を含む): 183868440

約数和(自身を除く): 96466900

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 7129, 12260, 14258, 28516, 35645, 71290, 142580, 4370077, 8740154, 17480308, 21850385, 43700770, 87401540]

約数ペア:

[(1, 87401540), (2, 43700770), (4, 21850385), (5, 17480308), (10, 8740154), (20, 4370077), (613, 142580), (1226, 71290), (2452, 35645), (3065, 28516), (6130, 14258), (7129, 12260)]