802467880

素因数分解:

$2^3\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{11657}}^1$

素因数の和:13389

約数の個数: 32

約数和(自身を含む): 1806756840

約数和(自身を除く): 1004288960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1721, 3442, 6884, 8605, 11657, 13768, 17210, 23314, 34420, 46628, 58285, 68840, 93256, 116570, 233140, 466280, 20061697, 40123394, 80246788, 100308485, 160493576, 200616970, 401233940, 802467880]

約数ペア:

[(1, 802467880), (2, 401233940), (4, 200616970), (5, 160493576), (8, 100308485), (10, 80246788), (20, 40123394), (40, 20061697), (1721, 466280), (3442, 233140), (6884, 116570), (8605, 93256), (11657, 68840), (13768, 58285), (17210, 46628), (23314, 34420)]