40981960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24989}}^1$

素因数の和:25041

約数の個数: 32

約数和(自身を含む): 94462200

約数和(自身を除く): 53480240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24989, 49978, 99956, 124945, 199912, 249890, 499780, 999560, 1024549, 2049098, 4098196, 5122745, 8196392, 10245490, 20490980, 40981960]

約数ペア:

[(1, 40981960), (2, 20490980), (4, 10245490), (5, 8196392), (8, 5122745), (10, 4098196), (20, 2049098), (40, 1024549), (41, 999560), (82, 499780), (164, 249890), (205, 199912), (328, 124945), (410, 99956), (820, 49978), (1640, 24989)]