220964960

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32117}}^1$

素因数の和:32175

約数の個数: 48

約数和(自身を含む): 534186576

約数和(自身を除く): 313221616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 32117, 64234, 128468, 160585, 256936, 321170, 513872, 642340, 1027744, 1284680, 1381031, 2569360, 2762062, 5138720, 5524124, 6905155, 11048248, 13810310, 22096496, 27620620, 44192992, 55241240, 110482480, 220964960]

約数ペア:

[(1, 220964960), (2, 110482480), (4, 55241240), (5, 44192992), (8, 27620620), (10, 22096496), (16, 13810310), (20, 11048248), (32, 6905155), (40, 5524124), (43, 5138720), (80, 2762062), (86, 2569360), (160, 1381031), (172, 1284680), (215, 1027744), (344, 642340), (430, 513872), (688, 321170), (860, 256936), (1376, 160585), (1720, 128468), (3440, 64234), (6880, 32117)]