267979280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81701}}^1$

素因数の和:81755

約数の個数: 40

約数和(自身を含む): 638256024

約数和(自身を除く): 370276744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 81701, 163402, 326804, 408505, 653608, 817010, 1307216, 1634020, 3268040, 3349741, 6536080, 6699482, 13398964, 16748705, 26797928, 33497410, 53595856, 66994820, 133989640, 267979280]

約数ペア:

[(1, 267979280), (2, 133989640), (4, 66994820), (5, 53595856), (8, 33497410), (10, 26797928), (16, 16748705), (20, 13398964), (40, 6699482), (41, 6536080), (80, 3349741), (82, 3268040), (164, 1634020), (205, 1307216), (328, 817010), (410, 653608), (656, 408505), (820, 326804), (1640, 163402), (3280, 81701)]