51358040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7877}}^1$

素因数の和:8051

約数の個数: 32

約数和(自身を含む): 116279280

約数和(自身を除く): 64921240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 7877, 15754, 31508, 39385, 63016, 78770, 157540, 315080, 1283951, 2567902, 5135804, 6419755, 10271608, 12839510, 25679020, 51358040]

約数ペア:

[(1, 51358040), (2, 25679020), (4, 12839510), (5, 10271608), (8, 6419755), (10, 5135804), (20, 2567902), (40, 1283951), (163, 315080), (326, 157540), (652, 78770), (815, 63016), (1304, 39385), (1630, 31508), (3260, 15754), (6520, 7877)]