51698560

素因数分解:

$2^7\times 5^1\times {\mathrm{80779}}^1$

素因数の和:80798

約数の個数: 32

約数和(自身を含む): 123593400

約数和(自身を除く): 71894840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 80779, 161558, 323116, 403895, 646232, 807790, 1292464, 1615580, 2584928, 3231160, 5169856, 6462320, 10339712, 12924640, 25849280, 51698560]

約数ペア:

[(1, 51698560), (2, 25849280), (4, 12924640), (5, 10339712), (8, 6462320), (10, 5169856), (16, 3231160), (20, 2584928), (32, 1615580), (40, 1292464), (64, 807790), (80, 646232), (128, 403895), (160, 323116), (320, 161558), (640, 80779)]