61720340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{280547}}^1$

素因数の和:280567

約数の個数: 24

約数和(自身を含む): 141396192

約数和(自身を除く): 79675852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 280547, 561094, 1122188, 1402735, 2805470, 3086017, 5610940, 6172034, 12344068, 15430085, 30860170, 61720340]

約数ペア:

[(1, 61720340), (2, 30860170), (4, 15430085), (5, 12344068), (10, 6172034), (11, 5610940), (20, 3086017), (22, 2805470), (44, 1402735), (55, 1122188), (110, 561094), (220, 280547)]