1258120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 2877120

約数和(自身を除く): 1619000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 443, 568, 710, 886, 1420, 1772, 2215, 2840, 3544, 4430, 8860, 17720, 31453, 62906, 125812, 157265, 251624, 314530, 629060, 1258120]

約数ペア:

[(1, 1258120), (2, 629060), (4, 314530), (5, 251624), (8, 157265), (10, 125812), (20, 62906), (40, 31453), (71, 17720), (142, 8860), (284, 4430), (355, 3544), (443, 2840), (568, 2215), (710, 1772), (886, 1420)]