80895775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1453}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 107095824

約数和(自身を除く): 26200049

約数列:

[1, 5, 17, 25, 85, 131, 425, 655, 1453, 2227, 3275, 7265, 11135, 24701, 36325, 55675, 123505, 190343, 617525, 951715, 3235831, 4758575, 16179155, 80895775]

約数ペア:

[(1, 80895775), (5, 16179155), (17, 4758575), (25, 3235831), (85, 951715), (131, 617525), (425, 190343), (655, 123505), (1453, 55675), (2227, 36325), (3275, 24701), (7265, 11135)]