157425280

素因数分解:

$2^7\times 5^1\times {\mathrm{245977}}^1$

素因数の和:245996

約数の個数: 32

約数和(自身を含む): 376346340

約数和(自身を除く): 218921060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 245977, 491954, 983908, 1229885, 1967816, 2459770, 3935632, 4919540, 7871264, 9839080, 15742528, 19678160, 31485056, 39356320, 78712640, 157425280]

約数ペア:

[(1, 157425280), (2, 78712640), (4, 39356320), (5, 31485056), (8, 19678160), (10, 15742528), (16, 9839080), (20, 7871264), (32, 4919540), (40, 3935632), (64, 2459770), (80, 1967816), (128, 1229885), (160, 983908), (320, 491954), (640, 245977)]