40397960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32579}}^1$

素因数の和:32621

約数の個数: 32

約数和(自身を含む): 93830400

約数和(自身を除く): 53432440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 32579, 65158, 130316, 162895, 260632, 325790, 651580, 1009949, 1303160, 2019898, 4039796, 5049745, 8079592, 10099490, 20198980, 40397960]

約数ペア:

[(1, 40397960), (2, 20198980), (4, 10099490), (5, 8079592), (8, 5049745), (10, 4039796), (20, 2019898), (31, 1303160), (40, 1009949), (62, 651580), (124, 325790), (155, 260632), (248, 162895), (310, 130316), (620, 65158), (1240, 32579)]