1605039580

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{319729}}^1$

素因数の和:319989

約数の個数: 24

約数和(自身を含む): 3384022320

約数和(自身を除く): 1778982740

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 319729, 639458, 1278916, 1598645, 3197290, 6394580, 80251979, 160503958, 321007916, 401259895, 802519790, 1605039580]

約数ペア:

[(1, 1605039580), (2, 802519790), (4, 401259895), (5, 321007916), (10, 160503958), (20, 80251979), (251, 6394580), (502, 3197290), (1004, 1598645), (1255, 1278916), (2510, 639458), (5020, 319729)]