31761680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4093}}^1$

素因数の和:4203

約数の個数: 40

約数和(自身を含む): 74625432

約数和(自身を除く): 42863752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 4093, 7760, 8186, 16372, 20465, 32744, 40930, 65488, 81860, 163720, 327440, 397021, 794042, 1588084, 1985105, 3176168, 3970210, 6352336, 7940420, 15880840, 31761680]

約数ペア:

[(1, 31761680), (2, 15880840), (4, 7940420), (5, 6352336), (8, 3970210), (10, 3176168), (16, 1985105), (20, 1588084), (40, 794042), (80, 397021), (97, 327440), (194, 163720), (388, 81860), (485, 65488), (776, 40930), (970, 32744), (1552, 20465), (1940, 16372), (3880, 8186), (4093, 7760)]