15540680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3631}}^1$

素因数の和:3749

約数の個数: 32

約数和(自身を含む): 35303040

約数和(自身を除く): 19762360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 3631, 4280, 7262, 14524, 18155, 29048, 36310, 72620, 145240, 388517, 777034, 1554068, 1942585, 3108136, 3885170, 7770340, 15540680]

約数ペア:

[(1, 15540680), (2, 7770340), (4, 3885170), (5, 3108136), (8, 1942585), (10, 1554068), (20, 777034), (40, 388517), (107, 145240), (214, 72620), (428, 36310), (535, 29048), (856, 18155), (1070, 14524), (2140, 7262), (3631, 4280)]