9979360

素因数分解:

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

素因数の和:755

約数の個数: 48

約数和(自身を含む): 23856336

約数和(自身を除く): 13876976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 643, 776, 970, 1286, 1552, 1940, 2572, 3104, 3215, 3880, 5144, 6430, 7760, 10288, 12860, 15520, 20576, 25720, 51440, 62371, 102880, 124742, 249484, 311855, 498968, 623710, 997936, 1247420, 1995872, 2494840, 4989680, 9979360]

約数ペア:

[(1, 9979360), (2, 4989680), (4, 2494840), (5, 1995872), (8, 1247420), (10, 997936), (16, 623710), (20, 498968), (32, 311855), (40, 249484), (80, 124742), (97, 102880), (160, 62371), (194, 51440), (388, 25720), (485, 20576), (643, 15520), (776, 12860), (970, 10288), (1286, 7760), (1552, 6430), (1940, 5144), (2572, 3880), (3104, 3215)]