85667260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19739}}^1$

素因数の和:19786

約数の個数: 48

約数和(自身を含む): 212244480

約数和(自身を除く): 126577220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 19739, 39478, 78956, 98695, 138173, 197390, 276346, 394780, 552692, 611909, 690865, 1223818, 1381730, 2447636, 2763460, 3059545, 4283363, 6119090, 8566726, 12238180, 17133452, 21416815, 42833630, 85667260]

約数ペア:

[(1, 85667260), (2, 42833630), (4, 21416815), (5, 17133452), (7, 12238180), (10, 8566726), (14, 6119090), (20, 4283363), (28, 3059545), (31, 2763460), (35, 2447636), (62, 1381730), (70, 1223818), (124, 690865), (140, 611909), (155, 552692), (217, 394780), (310, 276346), (434, 197390), (620, 138173), (868, 98695), (1085, 78956), (2170, 39478), (4340, 19739)]