9788560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:3991

約数の個数: 40

約数和(自身を含む): 23498496

約数和(自身を除く): 13709936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3947, 7894, 15788, 19735, 31576, 39470, 63152, 78940, 122357, 157880, 244714, 315760, 489428, 611785, 978856, 1223570, 1957712, 2447140, 4894280, 9788560]

約数ペア:

[(1, 9788560), (2, 4894280), (4, 2447140), (5, 1957712), (8, 1223570), (10, 978856), (16, 611785), (20, 489428), (31, 315760), (40, 244714), (62, 157880), (80, 122357), (124, 78940), (155, 63152), (248, 39470), (310, 31576), (496, 19735), (620, 15788), (1240, 7894), (2480, 3947)]