15608680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6397}}^1$

素因数の和:6469

約数の個数: 32

約数和(自身を含む): 35700840

約数和(自身を除く): 20092160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6397, 12794, 25588, 31985, 51176, 63970, 127940, 255880, 390217, 780434, 1560868, 1951085, 3121736, 3902170, 7804340, 15608680]

約数ペア:

[(1, 15608680), (2, 7804340), (4, 3902170), (5, 3121736), (8, 1951085), (10, 1560868), (20, 780434), (40, 390217), (61, 255880), (122, 127940), (244, 63970), (305, 51176), (488, 31985), (610, 25588), (1220, 12794), (2440, 6397)]