67810340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260809}}^1$

素因数の和:260831

約数の個数: 24

約数和(自身を含む): 153356280

約数和(自身を除く): 85545940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 260809, 521618, 1043236, 1304045, 2608090, 3390517, 5216180, 6781034, 13562068, 16952585, 33905170, 67810340]

約数ペア:

[(1, 67810340), (2, 33905170), (4, 16952585), (5, 13562068), (10, 6781034), (13, 5216180), (20, 3390517), (26, 2608090), (52, 1304045), (65, 1043236), (130, 521618), (260, 260809)]