273668540

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{21347}}^1$

素因数の和:21997

約数の個数: 24

約数和(自身を含む): 575627472

約数和(自身を除く): 301958932

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 21347, 42694, 85388, 106735, 213470, 426940, 13683427, 27366854, 54733708, 68417135, 136834270, 273668540]

約数ペア:

[(1, 273668540), (2, 136834270), (4, 68417135), (5, 54733708), (10, 27366854), (20, 13683427), (641, 426940), (1282, 213470), (2564, 106735), (3205, 85388), (6410, 42694), (12820, 21347)]