91720075

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 119273616

約数和(自身を除く): 27553541

約数列:

[1, 5, 25, 41, 43, 205, 215, 1025, 1075, 1763, 2081, 8815, 10405, 44075, 52025, 85321, 89483, 426605, 447415, 2133025, 2237075, 3668803, 18344015, 91720075]

約数ペア:

[(1, 91720075), (5, 18344015), (25, 3668803), (41, 2237075), (43, 2133025), (205, 447415), (215, 426605), (1025, 89483), (1075, 85321), (1763, 52025), (2081, 44075), (8815, 10405)]