80857595

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 124104960

約数和(自身を除く): 43247365

約数列:

[1, 5, 7, 13, 35, 49, 53, 65, 91, 245, 265, 371, 455, 479, 637, 689, 1855, 2395, 2597, 3185, 3353, 3445, 4823, 6227, 12985, 16765, 23471, 24115, 25387, 31135, 33761, 43589, 117355, 126935, 168805, 177709, 217945, 305123, 330031, 888545, 1243963, 1525615, 1650155, 2310217, 6219815, 11551085, 16171519, 80857595]

約数ペア:

[(1, 80857595), (5, 16171519), (7, 11551085), (13, 6219815), (35, 2310217), (49, 1650155), (53, 1525615), (65, 1243963), (91, 888545), (245, 330031), (265, 305123), (371, 217945), (455, 177709), (479, 168805), (637, 126935), (689, 117355), (1855, 43589), (2395, 33761), (2597, 31135), (3185, 25387), (3353, 24115), (3445, 23471), (4823, 16765), (6227, 12985)]