42842740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35117}}^1$

素因数の和:35187

約数の個数: 24

約数和(自身を含む): 91447272

約数和(自身を除く): 48604532

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 35117, 70234, 140468, 175585, 351170, 702340, 2142137, 4284274, 8568548, 10710685, 21421370, 42842740]

約数ペア:

[(1, 42842740), (2, 21421370), (4, 10710685), (5, 8568548), (10, 4284274), (20, 2142137), (61, 702340), (122, 351170), (244, 175585), (305, 140468), (610, 70234), (1220, 35117)]