201330440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70891}}^1$

素因数の和:70973

約数の個数: 32

約数和(自身を含む): 459380160

約数和(自身を除く): 258049720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 70891, 141782, 283564, 354455, 567128, 708910, 1417820, 2835640, 5033261, 10066522, 20133044, 25166305, 40266088, 50332610, 100665220, 201330440]

約数ペア:

[(1, 201330440), (2, 100665220), (4, 50332610), (5, 40266088), (8, 25166305), (10, 20133044), (20, 10066522), (40, 5033261), (71, 2835640), (142, 1417820), (284, 708910), (355, 567128), (568, 354455), (710, 283564), (1420, 141782), (2840, 70891)]