25413460

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{4139}}^1$

素因数の和:4455

約数の個数: 24

約数和(自身を含む): 53555040

約数和(自身を除く): 28141580

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 4139, 6140, 8278, 16556, 20695, 41390, 82780, 1270673, 2541346, 5082692, 6353365, 12706730, 25413460]

約数ペア:

[(1, 25413460), (2, 12706730), (4, 6353365), (5, 5082692), (10, 2541346), (20, 1270673), (307, 82780), (614, 41390), (1228, 20695), (1535, 16556), (3070, 8278), (4139, 6140)]