2028047360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{396103}}^1$

素因数の和:396128

約数の個数: 44

約数和(自身を含む): 4864949328

約数和(自身を除く): 2836901968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 396103, 792206, 1584412, 1980515, 3168824, 3961030, 6337648, 7922060, 12675296, 15844120, 25350592, 31688240, 50701184, 63376480, 101402368, 126752960, 202804736, 253505920, 405609472, 507011840, 1014023680, 2028047360]

約数ペア:

[(1, 2028047360), (2, 1014023680), (4, 507011840), (5, 405609472), (8, 253505920), (10, 202804736), (16, 126752960), (20, 101402368), (32, 63376480), (40, 50701184), (64, 31688240), (80, 25350592), (128, 15844120), (160, 12675296), (256, 7922060), (320, 6337648), (512, 3961030), (640, 3168824), (1024, 1980515), (1280, 1584412), (2560, 792206), (5120, 396103)]