40479890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21647}}^1$

素因数の和:21682

約数の個数: 32

約数和(自身を含む): 84167424

約数和(自身を除く): 43687534

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 21647, 43294, 108235, 216470, 238117, 367999, 476234, 735998, 1190585, 1839995, 2381170, 3679990, 4047989, 8095978, 20239945, 40479890]

約数ペア:

[(1, 40479890), (2, 20239945), (5, 8095978), (10, 4047989), (11, 3679990), (17, 2381170), (22, 1839995), (34, 1190585), (55, 735998), (85, 476234), (110, 367999), (170, 238117), (187, 216470), (374, 108235), (935, 43294), (1870, 21647)]