3808820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1213}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 8056104

約数和(自身を除く): 4247284

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1213, 1570, 2426, 3140, 4852, 6065, 12130, 24260, 190441, 380882, 761764, 952205, 1904410, 3808820]

約数ペア:

[(1, 3808820), (2, 1904410), (4, 952205), (5, 761764), (10, 380882), (20, 190441), (157, 24260), (314, 12130), (628, 6065), (785, 4852), (1213, 3140), (1570, 2426)]