40516816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{133279}}^1$

素因数の和:133306

約数の個数: 20

約数和(自身を含む): 82633600

約数和(自身を除く): 42116784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 133279, 266558, 533116, 1066232, 2132464, 2532301, 5064602, 10129204, 20258408, 40516816]

約数ペア:

[(1, 40516816), (2, 20258408), (4, 10129204), (8, 5064602), (16, 2532301), (19, 2132464), (38, 1066232), (76, 533116), (152, 266558), (304, 133279)]