42210220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5237}}^1$

素因数の和:5290

約数の個数: 48

約数和(自身を含む): 98558208

約数和(自身を除く): 56347988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 5237, 8060, 10474, 20948, 26185, 52370, 68081, 104740, 136162, 162347, 272324, 324694, 340405, 649388, 680810, 811735, 1361620, 1623470, 2110511, 3246940, 4221022, 8442044, 10552555, 21105110, 42210220]

約数ペア:

[(1, 42210220), (2, 21105110), (4, 10552555), (5, 8442044), (10, 4221022), (13, 3246940), (20, 2110511), (26, 1623470), (31, 1361620), (52, 811735), (62, 680810), (65, 649388), (124, 340405), (130, 324694), (155, 272324), (260, 162347), (310, 136162), (403, 104740), (620, 68081), (806, 52370), (1612, 26185), (2015, 20948), (4030, 10474), (5237, 8060)]