1361657680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{362143}}^1$

素因数の和:362203

約数の個数: 40

約数和(自身を含む): 3233221632

約数和(自身を除く): 1871563952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 362143, 724286, 1448572, 1810715, 2897144, 3621430, 5794288, 7242860, 14485720, 17020721, 28971440, 34041442, 68082884, 85103605, 136165768, 170207210, 272331536, 340414420, 680828840, 1361657680]

約数ペア:

[(1, 1361657680), (2, 680828840), (4, 340414420), (5, 272331536), (8, 170207210), (10, 136165768), (16, 85103605), (20, 68082884), (40, 34041442), (47, 28971440), (80, 17020721), (94, 14485720), (188, 7242860), (235, 5794288), (376, 3621430), (470, 2897144), (752, 1810715), (940, 1448572), (1880, 724286), (3760, 362143)]