33328880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 84786240

約数和(自身を除く): 51457360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 439, 520, 584, 730, 878, 949, 1040, 1168, 1460, 1756, 1898, 2195, 2920, 3512, 3796, 4390, 4745, 5707, 5840, 7024, 7592, 8780, 9490, 11414, 15184, 17560, 18980, 22828, 28535, 32047, 35120, 37960, 45656, 57070, 64094, 75920, 91312, 114140, 128188, 160235, 228280, 256376, 320470, 416611, 456560, 512752, 640940, 833222, 1281880, 1666444, 2083055, 2563760, 3332888, 4166110, 6665776, 8332220, 16664440, 33328880]

約数ペア:

[(1, 33328880), (2, 16664440), (4, 8332220), (5, 6665776), (8, 4166110), (10, 3332888), (13, 2563760), (16, 2083055), (20, 1666444), (26, 1281880), (40, 833222), (52, 640940), (65, 512752), (73, 456560), (80, 416611), (104, 320470), (130, 256376), (146, 228280), (208, 160235), (260, 128188), (292, 114140), (365, 91312), (439, 75920), (520, 64094), (584, 57070), (730, 45656), (878, 37960), (949, 35120), (1040, 32047), (1168, 28535), (1460, 22828), (1756, 18980), (1898, 17560), (2195, 15184), (2920, 11414), (3512, 9490), (3796, 8780), (4390, 7592), (4745, 7024), (5707, 5840)]