25728740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 55931904

約数和(自身を除く): 30203164

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 202, 235, 271, 404, 470, 505, 542, 940, 1010, 1084, 1355, 2020, 2710, 4747, 5420, 9494, 12737, 18988, 23735, 25474, 27371, 47470, 50948, 54742, 63685, 94940, 109484, 127370, 136855, 254740, 273710, 547420, 1286437, 2572874, 5145748, 6432185, 12864370, 25728740]

約数ペア:

[(1, 25728740), (2, 12864370), (4, 6432185), (5, 5145748), (10, 2572874), (20, 1286437), (47, 547420), (94, 273710), (101, 254740), (188, 136855), (202, 127370), (235, 109484), (271, 94940), (404, 63685), (470, 54742), (505, 50948), (542, 47470), (940, 27371), (1010, 25474), (1084, 23735), (1355, 18988), (2020, 12737), (2710, 9494), (4747, 5420)]