55786480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16217}}^1$

素因数の和:16273

約数の個数: 40

約数和(自身を含む): 132728112

約数和(自身を除く): 76941632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16217, 32434, 64868, 81085, 129736, 162170, 259472, 324340, 648680, 697331, 1297360, 1394662, 2789324, 3486655, 5578648, 6973310, 11157296, 13946620, 27893240, 55786480]

約数ペア:

[(1, 55786480), (2, 27893240), (4, 13946620), (5, 11157296), (8, 6973310), (10, 5578648), (16, 3486655), (20, 2789324), (40, 1394662), (43, 1297360), (80, 697331), (86, 648680), (172, 324340), (215, 259472), (344, 162170), (430, 129736), (688, 81085), (860, 64868), (1720, 32434), (3440, 16217)]