15193840

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{739}}^1$

素因数の和:1009

約数の個数: 40

約数和(自身を含む): 35511120

約数和(自身を除く): 20317280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 739, 1028, 1285, 1478, 2056, 2570, 2956, 3695, 4112, 5140, 5912, 7390, 10280, 11824, 14780, 20560, 29560, 59120, 189923, 379846, 759692, 949615, 1519384, 1899230, 3038768, 3798460, 7596920, 15193840]

約数ペア:

[(1, 15193840), (2, 7596920), (4, 3798460), (5, 3038768), (8, 1899230), (10, 1519384), (16, 949615), (20, 759692), (40, 379846), (80, 189923), (257, 59120), (514, 29560), (739, 20560), (1028, 14780), (1285, 11824), (1478, 10280), (2056, 7390), (2570, 5912), (2956, 5140), (3695, 4112)]