31940220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40949}}^1$

素因数の和:40974

約数の個数: 48

約数和(自身を含む): 96314400

約数和(自身を除く): 64374180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40949, 81898, 122847, 163796, 204745, 245694, 409490, 491388, 532337, 614235, 818980, 1064674, 1228470, 1597011, 2129348, 2456940, 2661685, 3194022, 5323370, 6388044, 7985055, 10646740, 15970110, 31940220]

約数ペア:

[(1, 31940220), (2, 15970110), (3, 10646740), (4, 7985055), (5, 6388044), (6, 5323370), (10, 3194022), (12, 2661685), (13, 2456940), (15, 2129348), (20, 1597011), (26, 1228470), (30, 1064674), (39, 818980), (52, 614235), (60, 532337), (65, 491388), (78, 409490), (130, 245694), (156, 204745), (195, 163796), (260, 122847), (390, 81898), (780, 40949)]