28780160

素因数分解:

$2^7\times 5^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 69455880

約数和(自身を除く): 40675720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 193, 233, 320, 386, 466, 640, 772, 932, 965, 1165, 1544, 1864, 1930, 2330, 3088, 3728, 3860, 4660, 6176, 7456, 7720, 9320, 12352, 14912, 15440, 18640, 24704, 29824, 30880, 37280, 44969, 61760, 74560, 89938, 123520, 149120, 179876, 224845, 359752, 449690, 719504, 899380, 1439008, 1798760, 2878016, 3597520, 5756032, 7195040, 14390080, 28780160]

約数ペア:

[(1, 28780160), (2, 14390080), (4, 7195040), (5, 5756032), (8, 3597520), (10, 2878016), (16, 1798760), (20, 1439008), (32, 899380), (40, 719504), (64, 449690), (80, 359752), (128, 224845), (160, 179876), (193, 149120), (233, 123520), (320, 89938), (386, 74560), (466, 61760), (640, 44969), (772, 37280), (932, 30880), (965, 29824), (1165, 24704), (1544, 18640), (1864, 15440), (1930, 14912), (2330, 12352), (3088, 9320), (3728, 7720), (3860, 7456), (4660, 6176)]