4989680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 11738832

約数和(自身を除く): 6749152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 643, 776, 970, 1286, 1552, 1940, 2572, 3215, 3880, 5144, 6430, 7760, 10288, 12860, 25720, 51440, 62371, 124742, 249484, 311855, 498968, 623710, 997936, 1247420, 2494840, 4989680]

約数ペア:

[(1, 4989680), (2, 2494840), (4, 1247420), (5, 997936), (8, 623710), (10, 498968), (16, 311855), (20, 249484), (40, 124742), (80, 62371), (97, 51440), (194, 25720), (388, 12860), (485, 10288), (643, 7760), (776, 6430), (970, 5144), (1286, 3880), (1552, 3215), (1940, 2572)]