39895180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153443}}^1$

素因数の和:153465

約数の個数: 24

約数和(自身を含む): 90225072

約数和(自身を除く): 50329892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153443, 306886, 613772, 767215, 1534430, 1994759, 3068860, 3989518, 7979036, 9973795, 19947590, 39895180]

約数ペア:

[(1, 39895180), (2, 19947590), (4, 9973795), (5, 7979036), (10, 3989518), (13, 3068860), (20, 1994759), (26, 1534430), (52, 767215), (65, 613772), (130, 306886), (260, 153443)]