2212451291240

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{135235409}}^1$

素因数の和:135235829

約数の個数: 32

約数和(自身を含む): 4990186629000

約数和(自身を除く): 2777735337760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 135235409, 270470818, 540941636, 676177045, 1081883272, 1352354090, 2704708180, 5409416360, 55311282281, 110622564562, 221245129124, 276556411405, 442490258248, 553112822810, 1106225645620, 2212451291240]

約数ペア:

[(1, 2212451291240), (2, 1106225645620), (4, 553112822810), (5, 442490258248), (8, 276556411405), (10, 221245129124), (20, 110622564562), (40, 55311282281), (409, 5409416360), (818, 2704708180), (1636, 1352354090), (2045, 1081883272), (3272, 676177045), (4090, 540941636), (8180, 270470818), (16360, 135235409)]