42247420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68141}}^1$

素因数の和:68181

約数の個数: 24

約数和(自身を含む): 91582848

約数和(自身を除く): 49335428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68141, 136282, 272564, 340705, 681410, 1362820, 2112371, 4224742, 8449484, 10561855, 21123710, 42247420]

約数ペア:

[(1, 42247420), (2, 21123710), (4, 10561855), (5, 8449484), (10, 4224742), (20, 2112371), (31, 1362820), (62, 681410), (124, 340705), (155, 272564), (310, 136282), (620, 68141)]