8939260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 20684160

約数和(自身を除く): 11744900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 227, 358, 454, 716, 895, 908, 1135, 1790, 1969, 2270, 2497, 3580, 3938, 4540, 4994, 7876, 9845, 9988, 12485, 19690, 24970, 39380, 40633, 49940, 81266, 162532, 203165, 406330, 446963, 812660, 893926, 1787852, 2234815, 4469630, 8939260]

約数ペア:

[(1, 8939260), (2, 4469630), (4, 2234815), (5, 1787852), (10, 893926), (11, 812660), (20, 446963), (22, 406330), (44, 203165), (55, 162532), (110, 81266), (179, 49940), (220, 40633), (227, 39380), (358, 24970), (454, 19690), (716, 12485), (895, 9988), (908, 9845), (1135, 7876), (1790, 4994), (1969, 4540), (2270, 3938), (2497, 3580)]