858596540

素因数分解:

$2^2\times 5^1\times {\mathrm{1823}}^1\times {\mathrm{23549}}^1$

素因数の和:25381

約数の個数: 24

約数和(自身を含む): 1804118400

約数和(自身を除く): 945521860

約数列:

[1, 2, 4, 5, 10, 20, 1823, 3646, 7292, 9115, 18230, 23549, 36460, 47098, 94196, 117745, 235490, 470980, 42929827, 85859654, 171719308, 214649135, 429298270, 858596540]

約数ペア:

[(1, 858596540), (2, 429298270), (4, 214649135), (5, 171719308), (10, 85859654), (20, 42929827), (1823, 470980), (3646, 235490), (7292, 117745), (9115, 94196), (18230, 47098), (23549, 36460)]