200918210

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{31247}}^1$

素因数の和:31897

約数の個数: 16

約数和(自身を含む): 362226816

約数和(自身を除く): 161308606

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 31247, 62494, 156235, 312470, 20091821, 40183642, 100459105, 200918210]

約数ペア:

[(1, 200918210), (2, 100459105), (5, 40183642), (10, 20091821), (643, 312470), (1286, 156235), (3215, 62494), (6430, 31247)]