40243390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 80821440

約数和(自身を除く): 40578050

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 121, 158, 242, 395, 421, 605, 790, 842, 869, 1210, 1738, 2105, 4210, 4345, 4631, 8690, 9262, 9559, 19118, 23155, 33259, 46310, 47795, 50941, 66518, 95590, 101882, 166295, 254705, 332590, 365849, 509410, 731698, 1829245, 3658490, 4024339, 8048678, 20121695, 40243390]

約数ペア:

[(1, 40243390), (2, 20121695), (5, 8048678), (10, 4024339), (11, 3658490), (22, 1829245), (55, 731698), (79, 509410), (110, 365849), (121, 332590), (158, 254705), (242, 166295), (395, 101882), (421, 95590), (605, 66518), (790, 50941), (842, 47795), (869, 46310), (1210, 33259), (1738, 23155), (2105, 19118), (4210, 9559), (4345, 9262), (4631, 8690)]