33399820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 72914688

約数和(自身を除く): 39514868

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 547, 710, 860, 1094, 1420, 2188, 2735, 3053, 5470, 6106, 10940, 12212, 15265, 23521, 30530, 38837, 47042, 61060, 77674, 94084, 117605, 155348, 194185, 235210, 388370, 470420, 776740, 1669991, 3339982, 6679964, 8349955, 16699910, 33399820]

約数ペア:

[(1, 33399820), (2, 16699910), (4, 8349955), (5, 6679964), (10, 3339982), (20, 1669991), (43, 776740), (71, 470420), (86, 388370), (142, 235210), (172, 194185), (215, 155348), (284, 117605), (355, 94084), (430, 77674), (547, 61060), (710, 47042), (860, 38837), (1094, 30530), (1420, 23521), (2188, 15265), (2735, 12212), (3053, 10940), (5470, 6106)]