28797680

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4337}}^1$

素因数の和:4433

約数の個数: 40

約数和(自身を含む): 67776912

約数和(自身を除く): 38979232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 4337, 6640, 8674, 17348, 21685, 34696, 43370, 69392, 86740, 173480, 346960, 359971, 719942, 1439884, 1799855, 2879768, 3599710, 5759536, 7199420, 14398840, 28797680]

約数ペア:

[(1, 28797680), (2, 14398840), (4, 7199420), (5, 5759536), (8, 3599710), (10, 2879768), (16, 1799855), (20, 1439884), (40, 719942), (80, 359971), (83, 346960), (166, 173480), (332, 86740), (415, 69392), (664, 43370), (830, 34696), (1328, 21685), (1660, 17348), (3320, 8674), (4337, 6640)]