917960080

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{138247}}^1$

素因数の和:138343

約数の個数: 40

約数和(自身を含む): 2159986752

約数和(自身を除く): 1242026672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 138247, 276494, 552988, 691235, 1105976, 1382470, 2211952, 2764940, 5529880, 11059760, 11474501, 22949002, 45898004, 57372505, 91796008, 114745010, 183592016, 229490020, 458980040, 917960080]

約数ペア:

[(1, 917960080), (2, 458980040), (4, 229490020), (5, 183592016), (8, 114745010), (10, 91796008), (16, 57372505), (20, 45898004), (40, 22949002), (80, 11474501), (83, 11059760), (166, 5529880), (332, 2764940), (415, 2211952), (664, 1382470), (830, 1105976), (1328, 691235), (1660, 552988), (3320, 276494), (6640, 138247)]