3810980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2141}}^1$

素因数の和:2239

約数の個数: 24

約数和(自身を含む): 8096760

約数和(自身を除く): 4285780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2141, 4282, 8564, 10705, 21410, 42820, 190549, 381098, 762196, 952745, 1905490, 3810980]

約数ペア:

[(1, 3810980), (2, 1905490), (4, 952745), (5, 762196), (10, 381098), (20, 190549), (89, 42820), (178, 21410), (356, 10705), (445, 8564), (890, 4282), (1780, 2141)]