51857680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13229}}^1$

素因数の和:13256

約数の個数: 60

約数和(自身を含む): 140264460

約数和(自身を除く): 88406780

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 13229, 26458, 52916, 66145, 92603, 105832, 132290, 185206, 211664, 264580, 370412, 463015, 529160, 648221, 740824, 926030, 1058320, 1296442, 1481648, 1852060, 2592884, 3241105, 3704120, 5185768, 6482210, 7408240, 10371536, 12964420, 25928840, 51857680]

約数ペア:

[(1, 51857680), (2, 25928840), (4, 12964420), (5, 10371536), (7, 7408240), (8, 6482210), (10, 5185768), (14, 3704120), (16, 3241105), (20, 2592884), (28, 1852060), (35, 1481648), (40, 1296442), (49, 1058320), (56, 926030), (70, 740824), (80, 648221), (98, 529160), (112, 463015), (140, 370412), (196, 264580), (245, 211664), (280, 185206), (392, 132290), (490, 105832), (560, 92603), (784, 66145), (980, 52916), (1960, 26458), (3920, 13229)]