31145440

素因数分解:

$2^5\times 5^1\times {\mathrm{194659}}^1$

素因数の和:194674

約数の個数: 24

約数和(自身を含む): 73581480

約数和(自身を除く): 42436040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 194659, 389318, 778636, 973295, 1557272, 1946590, 3114544, 3893180, 6229088, 7786360, 15572720, 31145440]

約数ペア:

[(1, 31145440), (2, 15572720), (4, 7786360), (5, 6229088), (8, 3893180), (10, 3114544), (16, 1946590), (20, 1557272), (32, 973295), (40, 778636), (80, 389318), (160, 194659)]