2040385540

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{72923}}^1$

素因数の和:74331

約数の個数: 24

約数和(自身を含む): 4287931200

約数和(自身を除く): 2247545660

約数列:

[1, 2, 4, 5, 10, 20, 1399, 2798, 5596, 6995, 13990, 27980, 72923, 145846, 291692, 364615, 729230, 1458460, 102019277, 204038554, 408077108, 510096385, 1020192770, 2040385540]

約数ペア:

[(1, 2040385540), (2, 1020192770), (4, 510096385), (5, 408077108), (10, 204038554), (20, 102019277), (1399, 1458460), (2798, 729230), (5596, 364615), (6995, 291692), (13990, 145846), (27980, 72923)]