80753960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41201}}^1$

素因数の和:41226

約数の個数: 48

約数和(自身を含む): 211366260

約数和(自身を除く): 130612300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 41201, 82402, 164804, 206005, 288407, 329608, 412010, 576814, 824020, 1153628, 1442035, 1648040, 2018849, 2307256, 2884070, 4037698, 5768140, 8075396, 10094245, 11536280, 16150792, 20188490, 40376980, 80753960]

約数ペア:

[(1, 80753960), (2, 40376980), (4, 20188490), (5, 16150792), (7, 11536280), (8, 10094245), (10, 8075396), (14, 5768140), (20, 4037698), (28, 2884070), (35, 2307256), (40, 2018849), (49, 1648040), (56, 1442035), (70, 1153628), (98, 824020), (140, 576814), (196, 412010), (245, 329608), (280, 288407), (392, 206005), (490, 164804), (980, 82402), (1960, 41201)]