816320080

素因数分解:

$2^4\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{5861}}^1$

素因数の和:7615

約数の個数: 40

約数和(自身を含む): 1899358344

約数和(自身を除く): 1083038264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1741, 3482, 5861, 6964, 8705, 11722, 13928, 17410, 23444, 27856, 29305, 34820, 46888, 58610, 69640, 93776, 117220, 139280, 234440, 468880, 10204001, 20408002, 40816004, 51020005, 81632008, 102040010, 163264016, 204080020, 408160040, 816320080]

約数ペア:

[(1, 816320080), (2, 408160040), (4, 204080020), (5, 163264016), (8, 102040010), (10, 81632008), (16, 51020005), (20, 40816004), (40, 20408002), (80, 10204001), (1741, 468880), (3482, 234440), (5861, 139280), (6964, 117220), (8705, 93776), (11722, 69640), (13928, 58610), (17410, 46888), (23444, 34820), (27856, 29305)]