80039240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19427}}^1$

素因数の和:19541

約数の個数: 32

約数和(自身を含む): 181846080

約数和(自身を除く): 101806840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 19427, 38854, 77708, 97135, 155416, 194270, 388540, 777080, 2000981, 4001962, 8003924, 10004905, 16007848, 20009810, 40019620, 80039240]

約数ペア:

[(1, 80039240), (2, 40019620), (4, 20009810), (5, 16007848), (8, 10004905), (10, 8003924), (20, 4001962), (40, 2000981), (103, 777080), (206, 388540), (412, 194270), (515, 155416), (824, 97135), (1030, 77708), (2060, 38854), (4120, 19427)]