39153640

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2441}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 88351560

約数和(自身を除く): 49197920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 2441, 3208, 4010, 4882, 8020, 9764, 12205, 16040, 19528, 24410, 48820, 97640, 978841, 1957682, 3915364, 4894205, 7830728, 9788410, 19576820, 39153640]

約数ペア:

[(1, 39153640), (2, 19576820), (4, 9788410), (5, 7830728), (8, 4894205), (10, 3915364), (20, 1957682), (40, 978841), (401, 97640), (802, 48820), (1604, 24410), (2005, 19528), (2441, 16040), (3208, 12205), (4010, 9764), (4882, 8020)]