420114560

素因数分解:

$2^7\times 5^1\times {\mathrm{656429}}^1$

素因数の和:656448

約数の個数: 32

約数和(自身を含む): 1004337900

約数和(自身を除く): 584223340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 656429, 1312858, 2625716, 3282145, 5251432, 6564290, 10502864, 13128580, 21005728, 26257160, 42011456, 52514320, 84022912, 105028640, 210057280, 420114560]

約数ペア:

[(1, 420114560), (2, 210057280), (4, 105028640), (5, 84022912), (8, 52514320), (10, 42011456), (16, 26257160), (20, 21005728), (32, 13128580), (40, 10502864), (64, 6564290), (80, 5251432), (128, 3282145), (160, 2625716), (320, 1312858), (640, 656429)]