201447580

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{40129}}^1$

素因数の和:40389

約数の個数: 24

約数和(自身を含む): 424735920

約数和(自身を除く): 223288340

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 40129, 80258, 160516, 200645, 401290, 802580, 10072379, 20144758, 40289516, 50361895, 100723790, 201447580]

約数ペア:

[(1, 201447580), (2, 100723790), (4, 50361895), (5, 40289516), (10, 20144758), (20, 10072379), (251, 802580), (502, 401290), (1004, 200645), (1255, 160516), (2510, 80258), (5020, 40129)]