85811420

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{7703}}^1$

素因数の和:8269

約数の個数: 24

約数和(自身を含む): 180550944

約数和(自身を除く): 94739524

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 7703, 11140, 15406, 30812, 38515, 77030, 154060, 4290571, 8581142, 17162284, 21452855, 42905710, 85811420]

約数ペア:

[(1, 85811420), (2, 42905710), (4, 21452855), (5, 17162284), (10, 8581142), (20, 4290571), (557, 154060), (1114, 77030), (2228, 38515), (2785, 30812), (5570, 15406), (7703, 11140)]