129991760

素因数分解:

$2^4\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2113}}^1$

素因数の和:2895

約数の個数: 40

約数和(自身を含む): 302767080

約数和(自身を除く): 172775320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 769, 1538, 2113, 3076, 3845, 4226, 6152, 7690, 8452, 10565, 12304, 15380, 16904, 21130, 30760, 33808, 42260, 61520, 84520, 169040, 1624897, 3249794, 6499588, 8124485, 12999176, 16248970, 25998352, 32497940, 64995880, 129991760]

約数ペア:

[(1, 129991760), (2, 64995880), (4, 32497940), (5, 25998352), (8, 16248970), (10, 12999176), (16, 8124485), (20, 6499588), (40, 3249794), (80, 1624897), (769, 169040), (1538, 84520), (2113, 61520), (3076, 42260), (3845, 33808), (4226, 30760), (6152, 21130), (7690, 16904), (8452, 15380), (10565, 12304)]