51489140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83047}}^1$

素因数の和:83087

約数の個数: 24

約数和(自身を含む): 111616512

約数和(自身を除く): 60127372

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 83047, 166094, 332188, 415235, 830470, 1660940, 2574457, 5148914, 10297828, 12872285, 25744570, 51489140]

約数ペア:

[(1, 51489140), (2, 25744570), (4, 12872285), (5, 10297828), (10, 5148914), (20, 2574457), (31, 1660940), (62, 830470), (124, 415235), (155, 332188), (310, 166094), (620, 83047)]