90456560

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{6247}}^1$

素因数の和:6441

約数の個数: 40

約数和(自身を含む): 211507296

約数和(自身を除く): 121050736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 6247, 7240, 12494, 14480, 24988, 31235, 49976, 62470, 99952, 124940, 249880, 499760, 1130707, 2261414, 4522828, 5653535, 9045656, 11307070, 18091312, 22614140, 45228280, 90456560]

約数ペア:

[(1, 90456560), (2, 45228280), (4, 22614140), (5, 18091312), (8, 11307070), (10, 9045656), (16, 5653535), (20, 4522828), (40, 2261414), (80, 1130707), (181, 499760), (362, 249880), (724, 124940), (905, 99952), (1448, 62470), (1810, 49976), (2896, 31235), (3620, 24988), (6247, 14480), (7240, 12494)]