40525520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72367}}^1$

素因数の和:72387

約数の個数: 40

約数和(自身を含む): 107683584

約数和(自身を除く): 67158064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72367, 144734, 289468, 361835, 506569, 578936, 723670, 1013138, 1157872, 1447340, 2026276, 2532845, 2894680, 4052552, 5065690, 5789360, 8105104, 10131380, 20262760, 40525520]

約数ペア:

[(1, 40525520), (2, 20262760), (4, 10131380), (5, 8105104), (7, 5789360), (8, 5065690), (10, 4052552), (14, 2894680), (16, 2532845), (20, 2026276), (28, 1447340), (35, 1157872), (40, 1013138), (56, 723670), (70, 578936), (80, 506569), (112, 361835), (140, 289468), (280, 144734), (560, 72367)]