7200640

素因数分解:

$2^7\times 5^1\times {\mathrm{11251}}^1$

素因数の和:11270

約数の個数: 32

約数和(自身を含む): 17215560

約数和(自身を除く): 10014920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 11251, 22502, 45004, 56255, 90008, 112510, 180016, 225020, 360032, 450040, 720064, 900080, 1440128, 1800160, 3600320, 7200640]

約数ペア:

[(1, 7200640), (2, 3600320), (4, 1800160), (5, 1440128), (8, 900080), (10, 720064), (16, 450040), (20, 360032), (32, 225020), (40, 180016), (64, 112510), (80, 90008), (128, 56255), (160, 45004), (320, 22502), (640, 11251)]