6545920

素因数分解:

$2^9\times 5^1\times {\mathrm{2557}}^1$

素因数の和:2580

約数の個数: 40

約数和(自身を含む): 15701004

約数和(自身を除く): 9155084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2557, 2560, 5114, 10228, 12785, 20456, 25570, 40912, 51140, 81824, 102280, 163648, 204560, 327296, 409120, 654592, 818240, 1309184, 1636480, 3272960, 6545920]

約数ペア:

[(1, 6545920), (2, 3272960), (4, 1636480), (5, 1309184), (8, 818240), (10, 654592), (16, 409120), (20, 327296), (32, 204560), (40, 163648), (64, 102280), (80, 81824), (128, 51140), (160, 40912), (256, 25570), (320, 20456), (512, 12785), (640, 10228), (1280, 5114), (2557, 2560)]