211217120

素因数分解:

$2^5\times 5^1\times {\mathrm{1320107}}^1$

素因数の和:1320122

約数の個数: 24

約数和(自身を含む): 499000824

約数和(自身を除く): 287783704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1320107, 2640214, 5280428, 6600535, 10560856, 13201070, 21121712, 26402140, 42243424, 52804280, 105608560, 211217120]

約数ペア:

[(1, 211217120), (2, 105608560), (4, 52804280), (5, 42243424), (8, 26402140), (10, 21121712), (16, 13201070), (20, 10560856), (32, 6600535), (40, 5280428), (80, 2640214), (160, 1320107)]