3955760

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 9280656

約数和(自身を除く): 5324896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 251, 394, 502, 788, 985, 1004, 1255, 1576, 1970, 2008, 2510, 3152, 3940, 4016, 5020, 7880, 10040, 15760, 20080, 49447, 98894, 197788, 247235, 395576, 494470, 791152, 988940, 1977880, 3955760]

約数ペア:

[(1, 3955760), (2, 1977880), (4, 988940), (5, 791152), (8, 494470), (10, 395576), (16, 247235), (20, 197788), (40, 98894), (80, 49447), (197, 20080), (251, 15760), (394, 10040), (502, 7880), (788, 5020), (985, 4016), (1004, 3940), (1255, 3152), (1576, 2510), (1970, 2008)]