8702240

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 20761272

約数和(自身を除く): 12059032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 397, 548, 685, 794, 1096, 1370, 1588, 1985, 2192, 2740, 3176, 3970, 4384, 5480, 6352, 7940, 10960, 12704, 15880, 21920, 31760, 54389, 63520, 108778, 217556, 271945, 435112, 543890, 870224, 1087780, 1740448, 2175560, 4351120, 8702240]

約数ペア:

[(1, 8702240), (2, 4351120), (4, 2175560), (5, 1740448), (8, 1087780), (10, 870224), (16, 543890), (20, 435112), (32, 271945), (40, 217556), (80, 108778), (137, 63520), (160, 54389), (274, 31760), (397, 21920), (548, 15880), (685, 12704), (794, 10960), (1096, 7940), (1370, 6352), (1588, 5480), (1985, 4384), (2192, 3970), (2740, 3176)]