40062890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{81761}}^1$

素因数の和:81782

約数の個数: 24

約数和(自身を含む): 83887812

約数和(自身を除く): 43824922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 81761, 163522, 408805, 572327, 817610, 1144654, 2861635, 4006289, 5723270, 8012578, 20031445, 40062890]

約数ペア:

[(1, 40062890), (2, 20031445), (5, 8012578), (7, 5723270), (10, 4006289), (14, 2861635), (35, 1144654), (49, 817610), (70, 572327), (98, 408805), (245, 163522), (490, 81761)]