17722240

素因数分解:

$2^7\times 5^1\times {\mathrm{27691}}^1$

素因数の和:27710

約数の個数: 32

約数和(自身を含む): 42368760

約数和(自身を除く): 24646520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 27691, 55382, 110764, 138455, 221528, 276910, 443056, 553820, 886112, 1107640, 1772224, 2215280, 3544448, 4430560, 8861120, 17722240]

約数ペア:

[(1, 17722240), (2, 8861120), (4, 4430560), (5, 3544448), (8, 2215280), (10, 1772224), (16, 1107640), (20, 886112), (32, 553820), (40, 443056), (64, 276910), (80, 221528), (128, 138455), (160, 110764), (320, 55382), (640, 27691)]