5195440

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:757

約数の個数: 40

約数和(自身を含む): 12217968

約数和(自身を除く): 7022528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 643, 808, 1010, 1286, 1616, 2020, 2572, 3215, 4040, 5144, 6430, 8080, 10288, 12860, 25720, 51440, 64943, 129886, 259772, 324715, 519544, 649430, 1039088, 1298860, 2597720, 5195440]

約数ペア:

[(1, 5195440), (2, 2597720), (4, 1298860), (5, 1039088), (8, 649430), (10, 519544), (16, 324715), (20, 259772), (40, 129886), (80, 64943), (101, 51440), (202, 25720), (404, 12860), (505, 10288), (643, 8080), (808, 6430), (1010, 5144), (1286, 4040), (1616, 3215), (2020, 2572)]