85221040

素因数分解:

$2^4\times 5^1\times {\mathrm{1065263}}^1$

素因数の和:1065276

約数の個数: 20

約数和(自身を含む): 198139104

約数和(自身を除く): 112918064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1065263, 2130526, 4261052, 5326315, 8522104, 10652630, 17044208, 21305260, 42610520, 85221040]

約数ペア:

[(1, 85221040), (2, 42610520), (4, 21305260), (5, 17044208), (8, 10652630), (10, 8522104), (16, 5326315), (20, 4261052), (40, 2130526), (80, 1065263)]