18565520080

素因数分解:

$2^4\times 5^1\times {\mathrm{47741}}^1\times {\mathrm{4861}}^1$

素因数の和:52615

約数の個数: 40

約数和(自身を含む): 43174618344

約数和(自身を除く): 24609098264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4861, 9722, 19444, 24305, 38888, 47741, 48610, 77776, 95482, 97220, 190964, 194440, 238705, 381928, 388880, 477410, 763856, 954820, 1909640, 3819280, 232069001, 464138002, 928276004, 1160345005, 1856552008, 2320690010, 3713104016, 4641380020, 9282760040, 18565520080]

約数ペア:

[(1, 18565520080), (2, 9282760040), (4, 4641380020), (5, 3713104016), (8, 2320690010), (10, 1856552008), (16, 1160345005), (20, 928276004), (40, 464138002), (80, 232069001), (4861, 3819280), (9722, 1909640), (19444, 954820), (24305, 763856), (38888, 477410), (47741, 388880), (48610, 381928), (77776, 238705), (95482, 194440), (97220, 190964)]