1051640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 2410560

約数和(自身を除く): 1358920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 431, 488, 610, 862, 1220, 1724, 2155, 2440, 3448, 4310, 8620, 17240, 26291, 52582, 105164, 131455, 210328, 262910, 525820, 1051640]

約数ペア:

[(1, 1051640), (2, 525820), (4, 262910), (5, 210328), (8, 131455), (10, 105164), (20, 52582), (40, 26291), (61, 17240), (122, 8620), (244, 4310), (305, 3448), (431, 2440), (488, 2155), (610, 1724), (862, 1220)]