27768560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11197}}^1$

素因数の和:11241

約数の個数: 40

約数和(自身を含む): 66650496

約数和(自身を除く): 38881936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11197, 22394, 44788, 55985, 89576, 111970, 179152, 223940, 347107, 447880, 694214, 895760, 1388428, 1735535, 2776856, 3471070, 5553712, 6942140, 13884280, 27768560]

約数ペア:

[(1, 27768560), (2, 13884280), (4, 6942140), (5, 5553712), (8, 3471070), (10, 2776856), (16, 1735535), (20, 1388428), (31, 895760), (40, 694214), (62, 447880), (80, 347107), (124, 223940), (155, 179152), (248, 111970), (310, 89576), (496, 55985), (620, 44788), (1240, 22394), (2480, 11197)]