201940880

素因数分解:

$2^4\times 5^1\times {\mathrm{2524261}}^1$

素因数の和:2524274

約数の個数: 20

約数和(自身を含む): 469512732

約数和(自身を除く): 267571852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524261, 5048522, 10097044, 12621305, 20194088, 25242610, 40388176, 50485220, 100970440, 201940880]

約数ペア:

[(1, 201940880), (2, 100970440), (4, 50485220), (5, 40388176), (8, 25242610), (10, 20194088), (16, 12621305), (20, 10097044), (40, 5048522), (80, 2524261)]