91717280

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13331}}^1$

素因数の和:13389

約数の個数: 48

約数和(自身を含む): 221737824

約数和(自身を除く): 130020544

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, 13331, 26662, 53324, 66655, 106648, 133310, 213296, 266620, 426592, 533240, 573233, 1066480, 1146466, 2132960, 2292932, 2866165, 4585864, 5732330, 9171728, 11464660, 18343456, 22929320, 45858640, 91717280]

約数ペア:

[(1, 91717280), (2, 45858640), (4, 22929320), (5, 18343456), (8, 11464660), (10, 9171728), (16, 5732330), (20, 4585864), (32, 2866165), (40, 2292932), (43, 2132960), (80, 1146466), (86, 1066480), (160, 573233), (172, 533240), (215, 426592), (344, 266620), (430, 213296), (688, 133310), (860, 106648), (1376, 66655), (1720, 53324), (3440, 26662), (6880, 13331)]