2561137029104

素因数分解:

$2^4\times {\mathrm{40531}}^1\times {\mathrm{3949349}}^1$

素因数の和:3989888

約数の個数: 20

約数和(自身を含む): 4962326680200

約数和(自身を除く): 2401189651096

約数列:

[1, 2, 4, 8, 16, 40531, 81062, 162124, 324248, 648496, 3949349, 7898698, 15797396, 31594792, 63189584, 160071064319, 320142128638, 640284257276, 1280568514552, 2561137029104]

約数ペア:

[(1, 2561137029104), (2, 1280568514552), (4, 640284257276), (8, 320142128638), (16, 160071064319), (40531, 63189584), (81062, 31594792), (162124, 15797396), (324248, 7898698), (648496, 3949349)]