15691887920

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1411141}}^1$

素因数の和:1411293

約数の個数: 40

約数和(自身を含む): 36746137680

約数和(自身を除く): 21054249760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 1411141, 2822282, 5644564, 7055705, 11289128, 14111410, 22578256, 28222820, 56445640, 112891280, 196148599, 392297198, 784594396, 980742995, 1569188792, 1961485990, 3138377584, 3922971980, 7845943960, 15691887920]

約数ペア:

[(1, 15691887920), (2, 7845943960), (4, 3922971980), (5, 3138377584), (8, 1961485990), (10, 1569188792), (16, 980742995), (20, 784594396), (40, 392297198), (80, 196148599), (139, 112891280), (278, 56445640), (556, 28222820), (695, 22578256), (1112, 14111410), (1390, 11289128), (2224, 7055705), (2780, 5644564), (5560, 2822282), (11120, 1411141)]