25789035880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10569277}}^1$

素因数の和:10569349

約数の個数: 32

約数和(自身を含む): 58976571240

約数和(自身を除く): 33187535360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10569277, 21138554, 42277108, 52846385, 84554216, 105692770, 211385540, 422771080, 644725897, 1289451794, 2578903588, 3223629485, 5157807176, 6447258970, 12894517940, 25789035880]

約数ペア:

[(1, 25789035880), (2, 12894517940), (4, 6447258970), (5, 5157807176), (8, 3223629485), (10, 2578903588), (20, 1289451794), (40, 644725897), (61, 422771080), (122, 211385540), (244, 105692770), (305, 84554216), (488, 52846385), (610, 42277108), (1220, 21138554), (2440, 10569277)]