42780620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69001}}^1$

素因数の和:69041

約数の個数: 24

約数和(自身を含む): 92738688

約数和(自身を除く): 49958068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 69001, 138002, 276004, 345005, 690010, 1380020, 2139031, 4278062, 8556124, 10695155, 21390310, 42780620]

約数ペア:

[(1, 42780620), (2, 21390310), (4, 10695155), (5, 8556124), (10, 4278062), (20, 2139031), (31, 1380020), (62, 690010), (124, 345005), (155, 276004), (310, 138002), (620, 69001)]