90925040

素因数分解:

$2^4\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1381}}^1$

素因数の和:2217

約数の個数: 40

約数和(自身を含む): 211810848

約数和(自身を除く): 120885808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 823, 1381, 1646, 2762, 3292, 4115, 5524, 6584, 6905, 8230, 11048, 13168, 13810, 16460, 22096, 27620, 32920, 55240, 65840, 110480, 1136563, 2273126, 4546252, 5682815, 9092504, 11365630, 18185008, 22731260, 45462520, 90925040]

約数ペア:

[(1, 90925040), (2, 45462520), (4, 22731260), (5, 18185008), (8, 11365630), (10, 9092504), (16, 5682815), (20, 4546252), (40, 2273126), (80, 1136563), (823, 110480), (1381, 65840), (1646, 55240), (2762, 32920), (3292, 27620), (4115, 22096), (5524, 16460), (6584, 13810), (6905, 13168), (8230, 11048)]