67585220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{82421}}^1$

素因数の和:82471

約数の個数: 24

約数和(自身を含む): 145392408

約数和(自身を除く): 77807188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 82421, 164842, 329684, 412105, 824210, 1648420, 3379261, 6758522, 13517044, 16896305, 33792610, 67585220]

約数ペア:

[(1, 67585220), (2, 33792610), (4, 16896305), (5, 13517044), (10, 6758522), (20, 3379261), (41, 1648420), (82, 824210), (164, 412105), (205, 329684), (410, 164842), (820, 82421)]