39707140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1787}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 91917504

約数和(自身を除く): 52210364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 1787, 2020, 2222, 3574, 4444, 5555, 7148, 8935, 11110, 17870, 19657, 22220, 35740, 39314, 78628, 98285, 180487, 196570, 360974, 393140, 721948, 902435, 1804870, 1985357, 3609740, 3970714, 7941428, 9926785, 19853570, 39707140]

約数ペア:

[(1, 39707140), (2, 19853570), (4, 9926785), (5, 7941428), (10, 3970714), (11, 3609740), (20, 1985357), (22, 1804870), (44, 902435), (55, 721948), (101, 393140), (110, 360974), (202, 196570), (220, 180487), (404, 98285), (505, 78628), (1010, 39314), (1111, 35740), (1787, 22220), (2020, 19657), (2222, 17870), (3574, 11110), (4444, 8935), (5555, 7148)]