72710140

素因数分解:

$2^2\times 5^1\times {\mathrm{1747}}^1\times {\mathrm{2081}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 152852112

約数和(自身を除く): 80141972

約数列:

[1, 2, 4, 5, 10, 20, 1747, 2081, 3494, 4162, 6988, 8324, 8735, 10405, 17470, 20810, 34940, 41620, 3635507, 7271014, 14542028, 18177535, 36355070, 72710140]

約数ペア:

[(1, 72710140), (2, 36355070), (4, 18177535), (5, 14542028), (10, 7271014), (20, 3635507), (1747, 41620), (2081, 34940), (3494, 20810), (4162, 17470), (6988, 10405), (8324, 8735)]