996800380

素因数分解:

$2^2\times 5^1\times {\mathrm{49840019}}^1$

素因数の和:49840028

約数の個数: 12

約数和(自身を含む): 2093280840

約数和(自身を除く): 1096480460

約数列:

[1, 2, 4, 5, 10, 20, 49840019, 99680038, 199360076, 249200095, 498400190, 996800380]

約数ペア:

[(1, 996800380), (2, 498400190), (4, 249200095), (5, 199360076), (10, 99680038), (20, 49840019)]