80451452740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{983}}^1\times {\mathrm{42187}}^1$

素因数の和:43276

約数の個数: 48

約数和(自身を含む): 170867475072

約数和(自身を除く): 90416022332

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 983, 1940, 1966, 3932, 4915, 9830, 19660, 42187, 84374, 95351, 168748, 190702, 210935, 381404, 421870, 476755, 843740, 953510, 1907020, 4092139, 8184278, 16368556, 20460695, 40921390, 41469821, 81842780, 82939642, 165879284, 207349105, 414698210, 829396420, 4022572637, 8045145274, 16090290548, 20112863185, 40225726370, 80451452740]

約数ペア:

[(1, 80451452740), (2, 40225726370), (4, 20112863185), (5, 16090290548), (10, 8045145274), (20, 4022572637), (97, 829396420), (194, 414698210), (388, 207349105), (485, 165879284), (970, 82939642), (983, 81842780), (1940, 41469821), (1966, 40921390), (3932, 20460695), (4915, 16368556), (9830, 8184278), (19660, 4092139), (42187, 1907020), (84374, 953510), (95351, 843740), (168748, 476755), (190702, 421870), (210935, 381404)]