199196291240

素因数分解:

$2^3\times 5^1\times {\mathrm{4979907281}}^1$

素因数の和:4979907292

約数の個数: 16

約数和(自身を含む): 448191655380

約数和(自身を除く): 248995364140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4979907281, 9959814562, 19919629124, 24899536405, 39839258248, 49799072810, 99598145620, 199196291240]

約数ペア:

[(1, 199196291240), (2, 99598145620), (4, 49799072810), (5, 39839258248), (8, 24899536405), (10, 19919629124), (20, 9959814562), (40, 4979907281)]