221108980

素因数分解:

$2^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{8369}}^1$

素因数の和:9699

約数の個数: 24

約数和(自身を含む): 464735880

約数和(自身を除く): 243626900

約数列:

[1, 2, 4, 5, 10, 20, 1321, 2642, 5284, 6605, 8369, 13210, 16738, 26420, 33476, 41845, 83690, 167380, 11055449, 22110898, 44221796, 55277245, 110554490, 221108980]

約数ペア:

[(1, 221108980), (2, 110554490), (4, 55277245), (5, 44221796), (10, 22110898), (20, 11055449), (1321, 167380), (2642, 83690), (5284, 41845), (6605, 33476), (8369, 26420), (13210, 16738)]