27893240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16217}}^1$

素因数の和:16271

約数の個数: 32

約数和(自身を含む): 64223280

約数和(自身を除く): 36330040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 16217, 32434, 64868, 81085, 129736, 162170, 324340, 648680, 697331, 1394662, 2789324, 3486655, 5578648, 6973310, 13946620, 27893240]

約数ペア:

[(1, 27893240), (2, 13946620), (4, 6973310), (5, 5578648), (8, 3486655), (10, 2789324), (20, 1394662), (40, 697331), (43, 648680), (86, 324340), (172, 162170), (215, 129736), (344, 81085), (430, 64868), (860, 32434), (1720, 16217)]