82568980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1399}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 187689600

約数和(自身を除く): 105120620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 454, 908, 1135, 1399, 2270, 2798, 2951, 4540, 5596, 5902, 6995, 11804, 13990, 14755, 18187, 27980, 29510, 36374, 59020, 72748, 90935, 181870, 317573, 363740, 635146, 1270292, 1587865, 3175730, 4128449, 6351460, 8256898, 16513796, 20642245, 41284490, 82568980]

約数ペア:

[(1, 82568980), (2, 41284490), (4, 20642245), (5, 16513796), (10, 8256898), (13, 6351460), (20, 4128449), (26, 3175730), (52, 1587865), (65, 1270292), (130, 635146), (227, 363740), (260, 317573), (454, 181870), (908, 90935), (1135, 72748), (1399, 59020), (2270, 36374), (2798, 29510), (2951, 27980), (4540, 18187), (5596, 14755), (5902, 13990), (6995, 11804)]