25977200

素因数分解:

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

素因数の和:762

約数の個数: 60

約数和(自身を含む): 63126168

約数和(自身を除く): 37148968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 643, 808, 1010, 1286, 1616, 2020, 2525, 2572, 3215, 4040, 5050, 5144, 6430, 8080, 10100, 10288, 12860, 16075, 20200, 25720, 32150, 40400, 51440, 64300, 64943, 128600, 129886, 257200, 259772, 324715, 519544, 649430, 1039088, 1298860, 1623575, 2597720, 3247150, 5195440, 6494300, 12988600, 25977200]

約数ペア:

[(1, 25977200), (2, 12988600), (4, 6494300), (5, 5195440), (8, 3247150), (10, 2597720), (16, 1623575), (20, 1298860), (25, 1039088), (40, 649430), (50, 519544), (80, 324715), (100, 259772), (101, 257200), (200, 129886), (202, 128600), (400, 64943), (404, 64300), (505, 51440), (643, 40400), (808, 32150), (1010, 25720), (1286, 20200), (1616, 16075), (2020, 12860), (2525, 10288), (2572, 10100), (3215, 8080), (4040, 6430), (5050, 5144)]