65940290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13709}}^1$

素因数の和:13766

約数の個数: 32

約数和(自身を含む): 131286960

約数和(自身を除く): 65346670

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 13709, 27418, 68545, 137090, 178217, 356434, 507233, 891085, 1014466, 1782170, 2536165, 5072330, 6594029, 13188058, 32970145, 65940290]

約数ペア:

[(1, 65940290), (2, 32970145), (5, 13188058), (10, 6594029), (13, 5072330), (26, 2536165), (37, 1782170), (65, 1014466), (74, 891085), (130, 507233), (185, 356434), (370, 178217), (481, 137090), (962, 68545), (2405, 27418), (4810, 13709)]