11128220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{331}}^1$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 24025512

約数和(自身を除く): 12897292

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 331, 410, 662, 820, 1324, 1655, 1681, 3310, 3362, 6620, 6724, 8405, 13571, 16810, 27142, 33620, 54284, 67855, 135710, 271420, 556411, 1112822, 2225644, 2782055, 5564110, 11128220]

約数ペア:

[(1, 11128220), (2, 5564110), (4, 2782055), (5, 2225644), (10, 1112822), (20, 556411), (41, 271420), (82, 135710), (164, 67855), (205, 54284), (331, 33620), (410, 27142), (662, 16810), (820, 13571), (1324, 8405), (1655, 6724), (1681, 6620), (3310, 3362)]