51602560

素因数分解:

$2^7\times 5^1\times {\mathrm{80629}}^1$

素因数の和:80648

約数の個数: 32

約数和(自身を含む): 123363900

約数和(自身を除く): 71761340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80629, 161258, 322516, 403145, 645032, 806290, 1290064, 1612580, 2580128, 3225160, 5160256, 6450320, 10320512, 12900640, 25801280, 51602560]

約数ペア:

[(1, 51602560), (2, 25801280), (4, 12900640), (5, 10320512), (8, 6450320), (10, 5160256), (16, 3225160), (20, 2580128), (32, 1612580), (40, 1290064), (64, 806290), (80, 645032), (128, 403145), (160, 322516), (320, 161258), (640, 80629)]