2571128720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{318209}}^1$

素因数の和:318323

約数の個数: 40

約数和(自身を含む): 6037080120

約数和(自身を除く): 3465951400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 318209, 636418, 1272836, 1591045, 2545672, 3182090, 5091344, 6364180, 12728360, 25456720, 32139109, 64278218, 128556436, 160695545, 257112872, 321391090, 514225744, 642782180, 1285564360, 2571128720]

約数ペア:

[(1, 2571128720), (2, 1285564360), (4, 642782180), (5, 514225744), (8, 321391090), (10, 257112872), (16, 160695545), (20, 128556436), (40, 64278218), (80, 32139109), (101, 25456720), (202, 12728360), (404, 6364180), (505, 5091344), (808, 3182090), (1010, 2545672), (1616, 1591045), (2020, 1272836), (4040, 636418), (8080, 318209)]