320465920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{62591}}^1$

素因数の和:62616

約数の個数: 44

約数和(自身を含む): 768754944

約数和(自身を除く): 448289024

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, 62591, 125182, 250364, 312955, 500728, 625910, 1001456, 1251820, 2002912, 2503640, 4005824, 5007280, 8011648, 10014560, 16023296, 20029120, 32046592, 40058240, 64093184, 80116480, 160232960, 320465920]

約数ペア:

[(1, 320465920), (2, 160232960), (4, 80116480), (5, 64093184), (8, 40058240), (10, 32046592), (16, 20029120), (20, 16023296), (32, 10014560), (40, 8011648), (64, 5007280), (80, 4005824), (128, 2503640), (160, 2002912), (256, 1251820), (320, 1001456), (512, 625910), (640, 500728), (1024, 312955), (1280, 250364), (2560, 125182), (5120, 62591)]