198748240

素因数分解:

$2^4\times 5^1\times {\mathrm{2484353}}^1$

素因数の和:2484366

約数の個数: 20

約数和(自身を含む): 462089844

約数和(自身を除く): 263341604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2484353, 4968706, 9937412, 12421765, 19874824, 24843530, 39749648, 49687060, 99374120, 198748240]

約数ペア:

[(1, 198748240), (2, 99374120), (4, 49687060), (5, 39749648), (8, 24843530), (10, 19874824), (16, 12421765), (20, 9937412), (40, 4968706), (80, 2484353)]