42765520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{76367}}^1$

素因数の和:76387

約数の個数: 40

約数和(自身を含む): 113635584

約数和(自身を除く): 70870064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 76367, 152734, 305468, 381835, 534569, 610936, 763670, 1069138, 1221872, 1527340, 2138276, 2672845, 3054680, 4276552, 5345690, 6109360, 8553104, 10691380, 21382760, 42765520]

約数ペア:

[(1, 42765520), (2, 21382760), (4, 10691380), (5, 8553104), (7, 6109360), (8, 5345690), (10, 4276552), (14, 3054680), (16, 2672845), (20, 2138276), (28, 1527340), (35, 1221872), (40, 1069138), (56, 763670), (70, 610936), (80, 534569), (112, 381835), (140, 305468), (280, 152734), (560, 76367)]