71080640

素因数分解:

$2^6\times 5^1\times {\mathrm{222127}}^1$

素因数の和:222144

約数の個数: 28

約数和(自身を含む): 169261536

約数和(自身を除く): 98180896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 222127, 444254, 888508, 1110635, 1777016, 2221270, 3554032, 4442540, 7108064, 8885080, 14216128, 17770160, 35540320, 71080640]

約数ペア:

[(1, 71080640), (2, 35540320), (4, 17770160), (5, 14216128), (8, 8885080), (10, 7108064), (16, 4442540), (20, 3554032), (32, 2221270), (40, 1777016), (64, 1110635), (80, 888508), (160, 444254), (320, 222127)]