55822580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2851}}^1$

素因数の和:2960

約数の個数: 48

約数和(自身を含む): 129366720

約数和(自身を除く): 73544140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2851, 3916, 4895, 5702, 9790, 11404, 14255, 19580, 28510, 31361, 57020, 62722, 125444, 156805, 253739, 313610, 507478, 627220, 1014956, 1268695, 2537390, 2791129, 5074780, 5582258, 11164516, 13955645, 27911290, 55822580]

約数ペア:

[(1, 55822580), (2, 27911290), (4, 13955645), (5, 11164516), (10, 5582258), (11, 5074780), (20, 2791129), (22, 2537390), (44, 1268695), (55, 1014956), (89, 627220), (110, 507478), (178, 313610), (220, 253739), (356, 156805), (445, 125444), (890, 62722), (979, 57020), (1780, 31361), (1958, 28510), (2851, 19580), (3916, 14255), (4895, 11404), (5702, 9790)]