56171440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54011}}^1$

素因数の和:54037

約数の個数: 40

約数和(自身を含む): 140647248

約数和(自身を除く): 84475808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 54011, 108022, 216044, 270055, 432088, 540110, 702143, 864176, 1080220, 1404286, 2160440, 2808572, 3510715, 4320880, 5617144, 7021430, 11234288, 14042860, 28085720, 56171440]

約数ペア:

[(1, 56171440), (2, 28085720), (4, 14042860), (5, 11234288), (8, 7021430), (10, 5617144), (13, 4320880), (16, 3510715), (20, 2808572), (26, 2160440), (40, 1404286), (52, 1080220), (65, 864176), (80, 702143), (104, 540110), (130, 432088), (208, 270055), (260, 216044), (520, 108022), (1040, 54011)]