51374720

素因数分解:

$2^7\times 5^1\times {\mathrm{80273}}^1$

素因数の和:80292

約数の個数: 32

約数和(自身を含む): 122819220

約数和(自身を除く): 71444500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80273, 160546, 321092, 401365, 642184, 802730, 1284368, 1605460, 2568736, 3210920, 5137472, 6421840, 10274944, 12843680, 25687360, 51374720]

約数ペア:

[(1, 51374720), (2, 25687360), (4, 12843680), (5, 10274944), (8, 6421840), (10, 5137472), (16, 3210920), (20, 2568736), (32, 1605460), (40, 1284368), (64, 802730), (80, 642184), (128, 401365), (160, 321092), (320, 160546), (640, 80273)]