8925940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 19559232

約数和(自身を除く): 10633292

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 107, 172, 194, 214, 215, 388, 428, 430, 485, 535, 860, 970, 1070, 1940, 2140, 4171, 4601, 8342, 9202, 10379, 16684, 18404, 20758, 20855, 23005, 41516, 41710, 46010, 51895, 83420, 92020, 103790, 207580, 446297, 892594, 1785188, 2231485, 4462970, 8925940]

約数ペア:

[(1, 8925940), (2, 4462970), (4, 2231485), (5, 1785188), (10, 892594), (20, 446297), (43, 207580), (86, 103790), (97, 92020), (107, 83420), (172, 51895), (194, 46010), (214, 41710), (215, 41516), (388, 23005), (428, 20855), (430, 20758), (485, 18404), (535, 16684), (860, 10379), (970, 9202), (1070, 8342), (1940, 4601), (2140, 4171)]