81865150

素因数分解:

$2^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{5231}}^1$

素因数の和:5556

約数の個数: 24

約数和(自身を含む): 152784864

約数和(自身を除く): 70919714

約数列:

[1, 2, 5, 10, 25, 50, 313, 626, 1565, 3130, 5231, 7825, 10462, 15650, 26155, 52310, 130775, 261550, 1637303, 3274606, 8186515, 16373030, 40932575, 81865150]

約数ペア:

[(1, 81865150), (2, 40932575), (5, 16373030), (10, 8186515), (25, 3274606), (50, 1637303), (313, 261550), (626, 130775), (1565, 52310), (3130, 26155), (5231, 15650), (7825, 10462)]