90708140

素因数分解:

$2^2\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{3739}}^1$

素因数の和:4961

約数の個数: 24

約数和(自身を含む): 190695120

約数和(自身を除く): 99986980

約数列:

[1, 2, 4, 5, 10, 20, 1213, 2426, 3739, 4852, 6065, 7478, 12130, 14956, 18695, 24260, 37390, 74780, 4535407, 9070814, 18141628, 22677035, 45354070, 90708140]

約数ペア:

[(1, 90708140), (2, 45354070), (4, 22677035), (5, 18141628), (10, 9070814), (20, 4535407), (1213, 74780), (2426, 37390), (3739, 24260), (4852, 18695), (6065, 14956), (7478, 12130)]