6720925

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 8749440

約数和(自身を除く): 2028515

約数列:

[1, 5, 25, 41, 79, 83, 205, 395, 415, 1025, 1975, 2075, 3239, 3403, 6557, 16195, 17015, 32785, 80975, 85075, 163925, 268837, 1344185, 6720925]

約数ペア:

[(1, 6720925), (5, 1344185), (25, 268837), (41, 163925), (79, 85075), (83, 80975), (205, 32785), (395, 17015), (415, 16195), (1025, 6557), (1975, 3403), (2075, 3239)]