42464420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68491}}^1$

素因数の和:68531

約数の個数: 24

約数和(自身を含む): 92053248

約数和(自身を除く): 49588828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68491, 136982, 273964, 342455, 684910, 1369820, 2123221, 4246442, 8492884, 10616105, 21232210, 42464420]

約数ペア:

[(1, 42464420), (2, 21232210), (4, 10616105), (5, 8492884), (10, 4246442), (20, 2123221), (31, 1369820), (62, 684910), (124, 342455), (155, 273964), (310, 136982), (620, 68491)]