5256280

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{397}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 11892240

約数和(自身を除く): 6635960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 397, 662, 794, 1324, 1588, 1655, 1985, 2648, 3176, 3310, 3970, 6620, 7940, 13240, 15880, 131407, 262814, 525628, 657035, 1051256, 1314070, 2628140, 5256280]

約数ペア:

[(1, 5256280), (2, 2628140), (4, 1314070), (5, 1051256), (8, 657035), (10, 525628), (20, 262814), (40, 131407), (331, 15880), (397, 13240), (662, 7940), (794, 6620), (1324, 3970), (1588, 3310), (1655, 3176), (1985, 2648)]