1248640

素因数分解:

$2^7\times 5^1\times {\mathrm{1951}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 2986560

約数和(自身を除く): 1737920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1951, 3902, 7804, 9755, 15608, 19510, 31216, 39020, 62432, 78040, 124864, 156080, 249728, 312160, 624320, 1248640]

約数ペア:

[(1, 1248640), (2, 624320), (4, 312160), (5, 249728), (8, 156080), (10, 124864), (16, 78040), (20, 62432), (32, 39020), (40, 31216), (64, 19510), (80, 15608), (128, 9755), (160, 7804), (320, 3902), (640, 1951)]