87087920

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1693}}^1$

素因数の和:2349

約数の個数: 40

約数和(自身を含む): 202914096

約数和(自身を除く): 115826176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 1693, 2572, 3215, 3386, 5144, 6430, 6772, 8465, 10288, 12860, 13544, 16930, 25720, 27088, 33860, 51440, 67720, 135440, 1088599, 2177198, 4354396, 5442995, 8708792, 10885990, 17417584, 21771980, 43543960, 87087920]

約数ペア:

[(1, 87087920), (2, 43543960), (4, 21771980), (5, 17417584), (8, 10885990), (10, 8708792), (16, 5442995), (20, 4354396), (40, 2177198), (80, 1088599), (643, 135440), (1286, 67720), (1693, 51440), (2572, 33860), (3215, 27088), (3386, 25720), (5144, 16930), (6430, 13544), (6772, 12860), (8465, 10288)]