39898540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16487}}^1$

素因数の和:16518

約数の個数: 36

約数和(自身を含む): 92101968

約数和(自身を除く): 52203428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 16487, 32974, 65948, 82435, 164870, 181357, 329740, 362714, 725428, 906785, 1813570, 1994927, 3627140, 3989854, 7979708, 9974635, 19949270, 39898540]

約数ペア:

[(1, 39898540), (2, 19949270), (4, 9974635), (5, 7979708), (10, 3989854), (11, 3627140), (20, 1994927), (22, 1813570), (44, 906785), (55, 725428), (110, 362714), (121, 329740), (220, 181357), (242, 164870), (484, 82435), (605, 65948), (1210, 32974), (2420, 16487)]