80484320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71861}}^1$

素因数の和:71883

約数の個数: 48

約数和(自身を含む): 217310688

約数和(自身を除く): 136826368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 71861, 143722, 287444, 359305, 503027, 574888, 718610, 1006054, 1149776, 1437220, 2012108, 2299552, 2515135, 2874440, 4024216, 5030270, 5748880, 8048432, 10060540, 11497760, 16096864, 20121080, 40242160, 80484320]

約数ペア:

[(1, 80484320), (2, 40242160), (4, 20121080), (5, 16096864), (7, 11497760), (8, 10060540), (10, 8048432), (14, 5748880), (16, 5030270), (20, 4024216), (28, 2874440), (32, 2515135), (35, 2299552), (40, 2012108), (56, 1437220), (70, 1149776), (80, 1006054), (112, 718610), (140, 574888), (160, 503027), (224, 359305), (280, 287444), (560, 143722), (1120, 71861)]