51325520

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3359}}^1$

素因数の和:3563

約数の個数: 40

約数和(自身を含む): 119992320

約数和(自身を除く): 68666800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3359, 3820, 6718, 7640, 13436, 15280, 16795, 26872, 33590, 53744, 67180, 134360, 268720, 641569, 1283138, 2566276, 3207845, 5132552, 6415690, 10265104, 12831380, 25662760, 51325520]

約数ペア:

[(1, 51325520), (2, 25662760), (4, 12831380), (5, 10265104), (8, 6415690), (10, 5132552), (16, 3207845), (20, 2566276), (40, 1283138), (80, 641569), (191, 268720), (382, 134360), (764, 67180), (955, 53744), (1528, 33590), (1910, 26872), (3056, 16795), (3359, 15280), (3820, 13436), (6718, 7640)]