201330520

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{32059}}^1$

素因数の和:32227

約数の個数: 32

約数和(自身を含む): 455893200

約数和(自身を除く): 254562680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 32059, 64118, 128236, 160295, 256472, 320590, 641180, 1282360, 5033263, 10066526, 20133052, 25166315, 40266104, 50332630, 100665260, 201330520]

約数ペア:

[(1, 201330520), (2, 100665260), (4, 50332630), (5, 40266104), (8, 25166315), (10, 20133052), (20, 10066526), (40, 5033263), (157, 1282360), (314, 641180), (628, 320590), (785, 256472), (1256, 160295), (1570, 128236), (3140, 64118), (6280, 32059)]