42771440

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2237}}^1$

素因数の和:2489

約数の個数: 40

約数和(自身を含む): 99904320

約数和(自身を除く): 57132880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2237, 2390, 3824, 4474, 4780, 8948, 9560, 11185, 17896, 19120, 22370, 35792, 44740, 89480, 178960, 534643, 1069286, 2138572, 2673215, 4277144, 5346430, 8554288, 10692860, 21385720, 42771440]

約数ペア:

[(1, 42771440), (2, 21385720), (4, 10692860), (5, 8554288), (8, 5346430), (10, 4277144), (16, 2673215), (20, 2138572), (40, 1069286), (80, 534643), (239, 178960), (478, 89480), (956, 44740), (1195, 35792), (1912, 22370), (2237, 19120), (2390, 17896), (3824, 11185), (4474, 9560), (4780, 8948)]