12815360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{2503}}^1$

素因数の和:2528

約数の個数: 44

約数和(自身を含む): 30754128

約数和(自身を除く): 17938768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2503, 2560, 5006, 5120, 10012, 12515, 20024, 25030, 40048, 50060, 80096, 100120, 160192, 200240, 320384, 400480, 640768, 800960, 1281536, 1601920, 2563072, 3203840, 6407680, 12815360]

約数ペア:

[(1, 12815360), (2, 6407680), (4, 3203840), (5, 2563072), (8, 1601920), (10, 1281536), (16, 800960), (20, 640768), (32, 400480), (40, 320384), (64, 200240), (80, 160192), (128, 100120), (160, 80096), (256, 50060), (320, 40048), (512, 25030), (640, 20024), (1024, 12515), (1280, 10012), (2503, 5120), (2560, 5006)]