266845520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107599}}^1$

素因数の和:107643

約数の個数: 40

約数和(自身を含む): 640435200

約数和(自身を除く): 373589680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 107599, 215198, 430396, 537995, 860792, 1075990, 1721584, 2151980, 3335569, 4303960, 6671138, 8607920, 13342276, 16677845, 26684552, 33355690, 53369104, 66711380, 133422760, 266845520]

約数ペア:

[(1, 266845520), (2, 133422760), (4, 66711380), (5, 53369104), (8, 33355690), (10, 26684552), (16, 16677845), (20, 13342276), (31, 8607920), (40, 6671138), (62, 4303960), (80, 3335569), (124, 2151980), (155, 1721584), (248, 1075990), (310, 860792), (496, 537995), (620, 430396), (1240, 215198), (2480, 107599)]