99724880

素因数分解:

$2^4\times 5^1\times {\mathrm{1246561}}^1$

素因数の和:1246574

約数の個数: 20

約数和(自身を含む): 231860532

約数和(自身を除く): 132135652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1246561, 2493122, 4986244, 6232805, 9972488, 12465610, 19944976, 24931220, 49862440, 99724880]

約数ペア:

[(1, 99724880), (2, 49862440), (4, 24931220), (5, 19944976), (8, 12465610), (10, 9972488), (16, 6232805), (20, 4986244), (40, 2493122), (80, 1246561)]