8688025

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 11249280

約数和(自身を除く): 2561255

約数列:

[1, 5, 25, 53, 79, 83, 265, 395, 415, 1325, 1975, 2075, 4187, 4399, 6557, 20935, 21995, 32785, 104675, 109975, 163925, 347521, 1737605, 8688025]

約数ペア:

[(1, 8688025), (5, 1737605), (25, 347521), (53, 163925), (79, 109975), (83, 104675), (265, 32785), (395, 21995), (415, 20935), (1325, 6557), (1975, 4399), (2075, 4187)]