82378790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1999}}^1$

素因数の和:2336

約数の個数: 32

約数和(自身を含む): 160272000

約数和(自身を除く): 77893210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 317, 634, 1585, 1999, 3170, 3998, 4121, 8242, 9995, 19990, 20605, 25987, 41210, 51974, 129935, 259870, 633683, 1267366, 3168415, 6336830, 8237879, 16475758, 41189395, 82378790]

約数ペア:

[(1, 82378790), (2, 41189395), (5, 16475758), (10, 8237879), (13, 6336830), (26, 3168415), (65, 1267366), (130, 633683), (317, 259870), (634, 129935), (1585, 51974), (1999, 41210), (3170, 25987), (3998, 20605), (4121, 19990), (8242, 9995)]