55217120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{7043}}^1$

素因数の和:7072

約数の個数: 72

約数和(自身を含む): 151770024

約数和(自身を除く): 96552904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7043, 7840, 14086, 28172, 35215, 49301, 56344, 70430, 98602, 112688, 140860, 197204, 225376, 246505, 281720, 345107, 394408, 493010, 563440, 690214, 788816, 986020, 1126880, 1380428, 1577632, 1725535, 1972040, 2760856, 3451070, 3944080, 5521712, 6902140, 7888160, 11043424, 13804280, 27608560, 55217120]

約数ペア:

[(1, 55217120), (2, 27608560), (4, 13804280), (5, 11043424), (7, 7888160), (8, 6902140), (10, 5521712), (14, 3944080), (16, 3451070), (20, 2760856), (28, 1972040), (32, 1725535), (35, 1577632), (40, 1380428), (49, 1126880), (56, 986020), (70, 788816), (80, 690214), (98, 563440), (112, 493010), (140, 394408), (160, 345107), (196, 281720), (224, 246505), (245, 225376), (280, 197204), (392, 140860), (490, 112688), (560, 98602), (784, 70430), (980, 56344), (1120, 49301), (1568, 35215), (1960, 28172), (3920, 14086), (7043, 7840)]