40817960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24889}}^1$

素因数の和:24941

約数の個数: 32

約数和(自身を含む): 94084200

約数和(自身を除く): 53266240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24889, 49778, 99556, 124445, 199112, 248890, 497780, 995560, 1020449, 2040898, 4081796, 5102245, 8163592, 10204490, 20408980, 40817960]

約数ペア:

[(1, 40817960), (2, 20408980), (4, 10204490), (5, 8163592), (8, 5102245), (10, 4081796), (20, 2040898), (40, 1020449), (41, 995560), (82, 497780), (164, 248890), (205, 199112), (328, 124445), (410, 99556), (820, 49778), (1640, 24889)]