6679220

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{641}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 14075208

約数和(自身を除く): 7395988

約数列:

[1, 2, 4, 5, 10, 20, 521, 641, 1042, 1282, 2084, 2564, 2605, 3205, 5210, 6410, 10420, 12820, 333961, 667922, 1335844, 1669805, 3339610, 6679220]

約数ペア:

[(1, 6679220), (2, 3339610), (4, 1669805), (5, 1335844), (10, 667922), (20, 333961), (521, 12820), (641, 10420), (1042, 6410), (1282, 5210), (2084, 3205), (2564, 2605)]