68425220

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4229}}^1$

素因数の和:5047

約数の個数: 24

約数和(自身を含む): 143904600

約数和(自身を除く): 75479380

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 4229, 8090, 8458, 16180, 16916, 21145, 42290, 84580, 3421261, 6842522, 13685044, 17106305, 34212610, 68425220]

約数ペア:

[(1, 68425220), (2, 34212610), (4, 17106305), (5, 13685044), (10, 6842522), (20, 3421261), (809, 84580), (1618, 42290), (3236, 21145), (4045, 16916), (4229, 16180), (8090, 8458)]