1049202920

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{26309}}^1$

素因数の和:27317

約数の個数: 32

約数和(自身を含む): 2363164200

約数和(自身を除く): 1313961280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7976, 9970, 19940, 26309, 39880, 52618, 105236, 131545, 210472, 263090, 526180, 1052360, 26230073, 52460146, 104920292, 131150365, 209840584, 262300730, 524601460, 1049202920]

約数ペア:

[(1, 1049202920), (2, 524601460), (4, 262300730), (5, 209840584), (8, 131150365), (10, 104920292), (20, 52460146), (40, 26230073), (997, 1052360), (1994, 526180), (3988, 263090), (4985, 210472), (7976, 131545), (9970, 105236), (19940, 52618), (26309, 39880)]