81244150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{124991}}^1$

素因数の和:125016

約数の個数: 24

約数和(自身を含む): 162739584

約数和(自身を除く): 81495434

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 124991, 249982, 624955, 1249910, 1624883, 3124775, 3249766, 6249550, 8124415, 16248830, 40622075, 81244150]

約数ペア:

[(1, 81244150), (2, 40622075), (5, 16248830), (10, 8124415), (13, 6249550), (25, 3249766), (26, 3124775), (50, 1624883), (65, 1249910), (130, 624955), (325, 249982), (650, 124991)]