91015520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13229}}^1$

素因数の和:13287

約数の個数: 48

約数和(自身を含む): 220041360

約数和(自身を除く): 129025840

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, 13229, 26458, 52916, 66145, 105832, 132290, 211664, 264580, 423328, 529160, 568847, 1058320, 1137694, 2116640, 2275388, 2844235, 4550776, 5688470, 9101552, 11376940, 18203104, 22753880, 45507760, 91015520]

約数ペア:

[(1, 91015520), (2, 45507760), (4, 22753880), (5, 18203104), (8, 11376940), (10, 9101552), (16, 5688470), (20, 4550776), (32, 2844235), (40, 2275388), (43, 2116640), (80, 1137694), (86, 1058320), (160, 568847), (172, 529160), (215, 423328), (344, 264580), (430, 211664), (688, 132290), (860, 105832), (1376, 66145), (1720, 52916), (3440, 26458), (6880, 13229)]