12181100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2971}}^1$

素因数の和:3026

約数の個数: 36

約数和(自身を含む): 27086808

約数和(自身を除く): 14905708

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 2971, 4100, 5942, 11884, 14855, 29710, 59420, 74275, 121811, 148550, 243622, 297100, 487244, 609055, 1218110, 2436220, 3045275, 6090550, 12181100]

約数ペア:

[(1, 12181100), (2, 6090550), (4, 3045275), (5, 2436220), (10, 1218110), (20, 609055), (25, 487244), (41, 297100), (50, 243622), (82, 148550), (100, 121811), (164, 74275), (205, 59420), (410, 29710), (820, 14855), (1025, 11884), (2050, 5942), (2971, 4100)]