40272440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77447}}^1$

素因数の和:77471

約数の個数: 32

約数和(自身を含む): 97584480

約数和(自身を除く): 57312040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77447, 154894, 309788, 387235, 619576, 774470, 1006811, 1548940, 2013622, 3097880, 4027244, 5034055, 8054488, 10068110, 20136220, 40272440]

約数ペア:

[(1, 40272440), (2, 20136220), (4, 10068110), (5, 8054488), (8, 5034055), (10, 4027244), (13, 3097880), (20, 2013622), (26, 1548940), (40, 1006811), (52, 774470), (65, 619576), (104, 387235), (130, 309788), (260, 154894), (520, 77447)]