42419180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23831}}^1$

素因数の和:23929

約数の個数: 24

約数和(自身を含む): 90084960

約数和(自身を除く): 47665780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 23831, 47662, 95324, 119155, 238310, 476620, 2120959, 4241918, 8483836, 10604795, 21209590, 42419180]

約数ペア:

[(1, 42419180), (2, 21209590), (4, 10604795), (5, 8483836), (10, 4241918), (20, 2120959), (89, 476620), (178, 238310), (356, 119155), (445, 95324), (890, 47662), (1780, 23831)]