42146980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67979}}^1$

素因数の和:68019

約数の個数: 24

約数和(自身を含む): 91365120

約数和(自身を除く): 49218140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 67979, 135958, 271916, 339895, 679790, 1359580, 2107349, 4214698, 8429396, 10536745, 21073490, 42146980]

約数ペア:

[(1, 42146980), (2, 21073490), (4, 10536745), (5, 8429396), (10, 4214698), (20, 2107349), (31, 1359580), (62, 679790), (124, 339895), (155, 271916), (310, 135958), (620, 67979)]