28542260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10267}}^1$

素因数の和:10415

約数の個数: 24

約数和(自身を含む): 60375840

約数和(自身を除く): 31833580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 10267, 20534, 41068, 51335, 102670, 205340, 1427113, 2854226, 5708452, 7135565, 14271130, 28542260]

約数ペア:

[(1, 28542260), (2, 14271130), (4, 7135565), (5, 5708452), (10, 2854226), (20, 1427113), (139, 205340), (278, 102670), (556, 51335), (695, 41068), (1390, 20534), (2780, 10267)]