42132820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29671}}^1$

素因数の和:29751

約数の個数: 24

約数和(自身を含む): 89728128

約数和(自身を除く): 47595308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 29671, 59342, 118684, 148355, 296710, 593420, 2106641, 4213282, 8426564, 10533205, 21066410, 42132820]

約数ペア:

[(1, 42132820), (2, 21066410), (4, 10533205), (5, 8426564), (10, 4213282), (20, 2106641), (71, 593420), (142, 296710), (284, 148355), (355, 118684), (710, 59342), (1420, 29671)]