8749280

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 20865600

約数和(自身を除く): 12116320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 367, 596, 734, 745, 1192, 1468, 1490, 1835, 2384, 2936, 2980, 3670, 4768, 5872, 5960, 7340, 11744, 11920, 14680, 23840, 29360, 54683, 58720, 109366, 218732, 273415, 437464, 546830, 874928, 1093660, 1749856, 2187320, 4374640, 8749280]

約数ペア:

[(1, 8749280), (2, 4374640), (4, 2187320), (5, 1749856), (8, 1093660), (10, 874928), (16, 546830), (20, 437464), (32, 273415), (40, 218732), (80, 109366), (149, 58720), (160, 54683), (298, 29360), (367, 23840), (596, 14680), (734, 11920), (745, 11744), (1192, 7340), (1468, 5960), (1490, 5872), (1835, 4768), (2384, 3670), (2936, 2980)]