66412780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12821}}^1$

素因数の和:12874

約数の個数: 48

約数和(自身を含む): 163711296

約数和(自身を除く): 97298516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 12821, 25642, 51284, 64105, 89747, 128210, 179494, 256420, 358988, 448735, 474377, 897470, 948754, 1794940, 1897508, 2371885, 3320639, 4743770, 6641278, 9487540, 13282556, 16603195, 33206390, 66412780]

約数ペア:

[(1, 66412780), (2, 33206390), (4, 16603195), (5, 13282556), (7, 9487540), (10, 6641278), (14, 4743770), (20, 3320639), (28, 2371885), (35, 1897508), (37, 1794940), (70, 948754), (74, 897470), (140, 474377), (148, 448735), (185, 358988), (259, 256420), (370, 179494), (518, 128210), (740, 89747), (1036, 64105), (1295, 51284), (2590, 25642), (5180, 12821)]