31211440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30011}}^1$

素因数の和:30037

約数の個数: 40

約数和(自身を含む): 78151248

約数和(自身を除く): 46939808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 30011, 60022, 120044, 150055, 240088, 300110, 390143, 480176, 600220, 780286, 1200440, 1560572, 1950715, 2400880, 3121144, 3901430, 6242288, 7802860, 15605720, 31211440]

約数ペア:

[(1, 31211440), (2, 15605720), (4, 7802860), (5, 6242288), (8, 3901430), (10, 3121144), (13, 2400880), (16, 1950715), (20, 1560572), (26, 1200440), (40, 780286), (52, 600220), (65, 480176), (80, 390143), (104, 300110), (130, 240088), (208, 150055), (260, 120044), (520, 60022), (1040, 30011)]