12814720

素因数分解:

$2^7\times 5^1\times {\mathrm{20023}}^1$

素因数の和:20042

約数の個数: 32

約数和(自身を含む): 30636720

約数和(自身を除く): 17822000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20023, 40046, 80092, 100115, 160184, 200230, 320368, 400460, 640736, 800920, 1281472, 1601840, 2562944, 3203680, 6407360, 12814720]

約数ペア:

[(1, 12814720), (2, 6407360), (4, 3203680), (5, 2562944), (8, 1601840), (10, 1281472), (16, 800920), (20, 640736), (32, 400460), (40, 320368), (64, 200230), (80, 160184), (128, 100115), (160, 80092), (320, 40046), (640, 20023)]