68221270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1031}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 132632640

約数和(自身を除く): 64411370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 509, 1018, 1031, 2062, 2545, 5090, 5155, 6617, 10310, 13234, 13403, 26806, 33085, 66170, 67015, 134030, 524779, 1049558, 2623895, 5247790, 6822127, 13644254, 34110635, 68221270]

約数ペア:

[(1, 68221270), (2, 34110635), (5, 13644254), (10, 6822127), (13, 5247790), (26, 2623895), (65, 1049558), (130, 524779), (509, 134030), (1018, 67015), (1031, 66170), (2062, 33085), (2545, 26806), (5090, 13403), (5155, 13234), (6617, 10310)]