54857980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{9491}}^1$

素因数の和:9534

約数の個数: 36

約数和(自身を含む): 122389848

約数和(自身を除く): 67531868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 9491, 18982, 37964, 47455, 94910, 161347, 189820, 322694, 645388, 806735, 1613470, 2742899, 3226940, 5485798, 10971596, 13714495, 27428990, 54857980]

約数ペア:

[(1, 54857980), (2, 27428990), (4, 13714495), (5, 10971596), (10, 5485798), (17, 3226940), (20, 2742899), (34, 1613470), (68, 806735), (85, 645388), (170, 322694), (289, 189820), (340, 161347), (578, 94910), (1156, 47455), (1445, 37964), (2890, 18982), (5780, 9491)]