13438360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 33374880

約数和(自身を除く): 19936520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 601, 860, 1118, 1202, 1720, 2236, 2404, 2795, 3005, 4472, 4808, 5590, 6010, 7813, 11180, 12020, 15626, 22360, 24040, 25843, 31252, 39065, 51686, 62504, 78130, 103372, 129215, 156260, 206744, 258430, 312520, 335959, 516860, 671918, 1033720, 1343836, 1679795, 2687672, 3359590, 6719180, 13438360]

約数ペア:

[(1, 13438360), (2, 6719180), (4, 3359590), (5, 2687672), (8, 1679795), (10, 1343836), (13, 1033720), (20, 671918), (26, 516860), (40, 335959), (43, 312520), (52, 258430), (65, 206744), (86, 156260), (104, 129215), (130, 103372), (172, 78130), (215, 62504), (260, 51686), (344, 39065), (430, 31252), (520, 25843), (559, 24040), (601, 22360), (860, 15626), (1118, 12020), (1202, 11180), (1720, 7813), (2236, 6010), (2404, 5590), (2795, 4808), (3005, 4472)]