9891440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9511}}^1$

素因数の和:9537

約数の個数: 40

約数和(自身を含む): 24769248

約数和(自身を除く): 14877808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 9511, 19022, 38044, 47555, 76088, 95110, 123643, 152176, 190220, 247286, 380440, 494572, 618215, 760880, 989144, 1236430, 1978288, 2472860, 4945720, 9891440]

約数ペア:

[(1, 9891440), (2, 4945720), (4, 2472860), (5, 1978288), (8, 1236430), (10, 989144), (13, 760880), (16, 618215), (20, 494572), (26, 380440), (40, 247286), (52, 190220), (65, 152176), (80, 123643), (104, 95110), (130, 76088), (208, 47555), (260, 38044), (520, 19022), (1040, 9511)]