16188440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9871}}^1$

素因数の和:9923

約数の個数: 32

約数和(自身を含む): 37316160

約数和(自身を除く): 21127720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9871, 19742, 39484, 49355, 78968, 98710, 197420, 394840, 404711, 809422, 1618844, 2023555, 3237688, 4047110, 8094220, 16188440]

約数ペア:

[(1, 16188440), (2, 8094220), (4, 4047110), (5, 3237688), (8, 2023555), (10, 1618844), (20, 809422), (40, 404711), (41, 394840), (82, 197420), (164, 98710), (205, 78968), (328, 49355), (410, 39484), (820, 19742), (1640, 9871)]