210899560

素因数分解:

$2^3\times 5^1\times {\mathrm{5272489}}^1$

素因数の和:5272500

約数の個数: 16

約数和(自身を含む): 474524100

約数和(自身を除く): 263624540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5272489, 10544978, 21089956, 26362445, 42179912, 52724890, 105449780, 210899560]

約数ペア:

[(1, 210899560), (2, 105449780), (4, 52724890), (5, 42179912), (8, 26362445), (10, 21089956), (20, 10544978), (40, 5272489)]