201855140

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{45259}}^1$

素因数の和:45491

約数の個数: 24

約数和(自身を含む): 425806080

約数和(自身を除く): 223950940

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 45259, 90518, 181036, 226295, 452590, 905180, 10092757, 20185514, 40371028, 50463785, 100927570, 201855140]

約数ペア:

[(1, 201855140), (2, 100927570), (4, 50463785), (5, 40371028), (10, 20185514), (20, 10092757), (223, 905180), (446, 452590), (892, 226295), (1115, 181036), (2230, 90518), (4460, 45259)]