40021876

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 36

約数和(自身を含む): 75429900

約数和(自身を除く): 35408024

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 289, 356, 389, 578, 778, 1156, 1513, 1556, 3026, 6052, 6613, 13226, 25721, 26452, 34621, 51442, 69242, 102884, 112421, 138484, 224842, 449684, 588557, 1177114, 2354228, 10005469, 20010938, 40021876]

約数ペア:

[(1, 40021876), (2, 20010938), (4, 10005469), (17, 2354228), (34, 1177114), (68, 588557), (89, 449684), (178, 224842), (289, 138484), (356, 112421), (389, 102884), (578, 69242), (778, 51442), (1156, 34621), (1513, 26452), (1556, 25721), (3026, 13226), (6052, 6613)]