71148520

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9029}}^1$

素因数の和:9237

約数の個数: 32

約数和(自身を含む): 160914600

約数和(自身を除く): 89766080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 9029, 18058, 36116, 45145, 72232, 90290, 180580, 361160, 1778713, 3557426, 7114852, 8893565, 14229704, 17787130, 35574260, 71148520]

約数ペア:

[(1, 71148520), (2, 35574260), (4, 17787130), (5, 14229704), (8, 8893565), (10, 7114852), (20, 3557426), (40, 1778713), (197, 361160), (394, 180580), (788, 90290), (985, 72232), (1576, 45145), (1970, 36116), (3940, 18058), (7880, 9029)]