15948080

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{641}}^1$

素因数の和:965

約数の個数: 40

約数和(自身を含む): 37256544

約数和(自身を除く): 21308464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 641, 1244, 1282, 1555, 2488, 2564, 3110, 3205, 4976, 5128, 6220, 6410, 10256, 12440, 12820, 24880, 25640, 51280, 199351, 398702, 797404, 996755, 1594808, 1993510, 3189616, 3987020, 7974040, 15948080]

約数ペア:

[(1, 15948080), (2, 7974040), (4, 3987020), (5, 3189616), (8, 1993510), (10, 1594808), (16, 996755), (20, 797404), (40, 398702), (80, 199351), (311, 51280), (622, 25640), (641, 24880), (1244, 12820), (1282, 12440), (1555, 10256), (2488, 6410), (2564, 6220), (3110, 5128), (3205, 4976)]