68249420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83231}}^1$

素因数の和:83281

約数の個数: 24

約数和(自身を含む): 146821248

約数和(自身を除く): 78571828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 83231, 166462, 332924, 416155, 832310, 1664620, 3412471, 6824942, 13649884, 17062355, 34124710, 68249420]

約数ペア:

[(1, 68249420), (2, 34124710), (4, 17062355), (5, 13649884), (10, 6824942), (20, 3412471), (41, 1664620), (82, 832310), (164, 416155), (205, 332924), (410, 166462), (820, 83231)]