80537720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87541}}^1$

素因数の和:87575

約数の個数: 32

約数和(自身を含む): 189090720

約数和(自身を除く): 108553000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 87541, 175082, 350164, 437705, 700328, 875410, 1750820, 2013443, 3501640, 4026886, 8053772, 10067215, 16107544, 20134430, 40268860, 80537720]

約数ペア:

[(1, 80537720), (2, 40268860), (4, 20134430), (5, 16107544), (8, 10067215), (10, 8053772), (20, 4026886), (23, 3501640), (40, 2013443), (46, 1750820), (92, 875410), (115, 700328), (184, 437705), (230, 350164), (460, 175082), (920, 87541)]