17326640

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2109

約数の個数: 40

約数和(自身を含む): 40674480

約数和(自身を除く): 23347840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 1987, 2180, 3974, 4360, 7948, 8720, 9935, 15896, 19870, 31792, 39740, 79480, 158960, 216583, 433166, 866332, 1082915, 1732664, 2165830, 3465328, 4331660, 8663320, 17326640]

約数ペア:

[(1, 17326640), (2, 8663320), (4, 4331660), (5, 3465328), (8, 2165830), (10, 1732664), (16, 1082915), (20, 866332), (40, 433166), (80, 216583), (109, 158960), (218, 79480), (436, 39740), (545, 31792), (872, 19870), (1090, 15896), (1744, 9935), (1987, 8720), (2180, 7948), (3974, 4360)]