8573240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16487}}^1$

素因数の和:16511

約数の個数: 32

約数和(自身を含む): 20774880

約数和(自身を除く): 12201640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16487, 32974, 65948, 82435, 131896, 164870, 214331, 329740, 428662, 659480, 857324, 1071655, 1714648, 2143310, 4286620, 8573240]

約数ペア:

[(1, 8573240), (2, 4286620), (4, 2143310), (5, 1714648), (8, 1071655), (10, 857324), (13, 659480), (20, 428662), (26, 329740), (40, 214331), (52, 164870), (65, 131896), (104, 82435), (130, 65948), (260, 32974), (520, 16487)]