136652680

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20959}}^1$

素因数の和:21133

約数の個数: 32

約数和(自身を含む): 309369600

約数和(自身を除く): 172716920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 20959, 41918, 83836, 104795, 167672, 209590, 419180, 838360, 3416317, 6832634, 13665268, 17081585, 27330536, 34163170, 68326340, 136652680]

約数ペア:

[(1, 136652680), (2, 68326340), (4, 34163170), (5, 27330536), (8, 17081585), (10, 13665268), (20, 6832634), (40, 3416317), (163, 838360), (326, 419180), (652, 209590), (815, 167672), (1304, 104795), (1630, 83836), (3260, 41918), (6520, 20959)]