131263520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19079}}^1$

素因数の和:19137

約数の個数: 48

約数和(自身を含む): 317338560

約数和(自身を除く): 186075040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 19079, 38158, 76316, 95395, 152632, 190790, 305264, 381580, 610528, 763160, 820397, 1526320, 1640794, 3052640, 3281588, 4101985, 6563176, 8203970, 13126352, 16407940, 26252704, 32815880, 65631760, 131263520]

約数ペア:

[(1, 131263520), (2, 65631760), (4, 32815880), (5, 26252704), (8, 16407940), (10, 13126352), (16, 8203970), (20, 6563176), (32, 4101985), (40, 3281588), (43, 3052640), (80, 1640794), (86, 1526320), (160, 820397), (172, 763160), (215, 610528), (344, 381580), (430, 305264), (688, 190790), (860, 152632), (1376, 95395), (1720, 76316), (3440, 38158), (6880, 19079)]