3931280

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:483

約数の個数: 40

約数和(自身を含む): 9227832

約数和(自身を除く): 5296552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 313, 314, 626, 628, 785, 1252, 1256, 1565, 1570, 2504, 2512, 3130, 3140, 5008, 6260, 6280, 12520, 12560, 25040, 49141, 98282, 196564, 245705, 393128, 491410, 786256, 982820, 1965640, 3931280]

約数ペア:

[(1, 3931280), (2, 1965640), (4, 982820), (5, 786256), (8, 491410), (10, 393128), (16, 245705), (20, 196564), (40, 98282), (80, 49141), (157, 25040), (313, 12560), (314, 12520), (626, 6280), (628, 6260), (785, 5008), (1252, 3140), (1256, 3130), (1565, 2512), (1570, 2504)]