72364040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{258443}}^1$

素因数の和:258461

約数の個数: 32

約数和(自身を含む): 186079680

約数和(自身を除く): 113715640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 258443, 516886, 1033772, 1292215, 1809101, 2067544, 2584430, 3618202, 5168860, 7236404, 9045505, 10337720, 14472808, 18091010, 36182020, 72364040]

約数ペア:

[(1, 72364040), (2, 36182020), (4, 18091010), (5, 14472808), (7, 10337720), (8, 9045505), (10, 7236404), (14, 5168860), (20, 3618202), (28, 2584430), (35, 2067544), (40, 1809101), (56, 1292215), (70, 1033772), (140, 516886), (280, 258443)]