72097720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{24691}}^1$

素因数の和:24775

約数の個数: 32

約数和(自身を含む): 164448720

約数和(自身を除く): 92351000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 24691, 49382, 98764, 123455, 197528, 246910, 493820, 987640, 1802443, 3604886, 7209772, 9012215, 14419544, 18024430, 36048860, 72097720]

約数ペア:

[(1, 72097720), (2, 36048860), (4, 18024430), (5, 14419544), (8, 9012215), (10, 7209772), (20, 3604886), (40, 1802443), (73, 987640), (146, 493820), (292, 246910), (365, 197528), (584, 123455), (730, 98764), (1460, 49382), (2920, 24691)]