136340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 303912

約数和(自身を除く): 167572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 401, 802, 1604, 2005, 4010, 6817, 8020, 13634, 27268, 34085, 68170, 136340]

約数ペア:

[(1, 136340), (2, 68170), (4, 34085), (5, 27268), (10, 13634), (17, 8020), (20, 6817), (34, 4010), (68, 2005), (85, 1604), (170, 802), (340, 401)]