7907240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17971}}^1$

素因数の和:17993

約数の個数: 32

約数和(自身を含む): 19409760

約数和(自身を除く): 11502520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 17971, 35942, 71884, 89855, 143768, 179710, 197681, 359420, 395362, 718840, 790724, 988405, 1581448, 1976810, 3953620, 7907240]

約数ペア:

[(1, 7907240), (2, 3953620), (4, 1976810), (5, 1581448), (8, 988405), (10, 790724), (11, 718840), (20, 395362), (22, 359420), (40, 197681), (44, 179710), (55, 143768), (88, 89855), (110, 71884), (220, 35942), (440, 17971)]