83942420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{135391}}^1$

素因数の和:135431

約数の個数: 24

約数和(自身を含む): 181966848

約数和(自身を除く): 98024428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 135391, 270782, 541564, 676955, 1353910, 2707820, 4197121, 8394242, 16788484, 20985605, 41971210, 83942420]

約数ペア:

[(1, 83942420), (2, 41971210), (4, 20985605), (5, 16788484), (10, 8394242), (20, 4197121), (31, 2707820), (62, 1353910), (124, 676955), (155, 541564), (310, 270782), (620, 135391)]