13808219080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2198761}}^1$

素因数の和:2198929

約数の個数: 32

約数和(自身を含む): 31266395640

約数和(自身を除く): 17458176560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 2198761, 4397522, 8795044, 10993805, 17590088, 21987610, 43975220, 87950440, 345205477, 690410954, 1380821908, 1726027385, 2761643816, 3452054770, 6904109540, 13808219080]

約数ペア:

[(1, 13808219080), (2, 6904109540), (4, 3452054770), (5, 2761643816), (8, 1726027385), (10, 1380821908), (20, 690410954), (40, 345205477), (157, 87950440), (314, 43975220), (628, 21987610), (785, 17590088), (1256, 10993805), (1570, 8795044), (3140, 4397522), (6280, 2198761)]