11840480

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1779

約数の個数: 48

約数和(自身を含む): 28640304

約数和(自身を除く): 16799824

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, 1721, 3440, 3442, 6880, 6884, 8605, 13768, 17210, 27536, 34420, 55072, 68840, 74003, 137680, 148006, 275360, 296012, 370015, 592024, 740030, 1184048, 1480060, 2368096, 2960120, 5920240, 11840480]

約数ペア:

[(1, 11840480), (2, 5920240), (4, 2960120), (5, 2368096), (8, 1480060), (10, 1184048), (16, 740030), (20, 592024), (32, 370015), (40, 296012), (43, 275360), (80, 148006), (86, 137680), (160, 74003), (172, 68840), (215, 55072), (344, 34420), (430, 27536), (688, 17210), (860, 13768), (1376, 8605), (1720, 6884), (1721, 6880), (3440, 3442)]