31628080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 81137664

約数和(自身を除く): 49509584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 283, 440, 508, 566, 635, 880, 1016, 1132, 1270, 1397, 1415, 2032, 2264, 2540, 2794, 2830, 3113, 4528, 5080, 5588, 5660, 6226, 6985, 10160, 11176, 11320, 12452, 13970, 15565, 22352, 22640, 24904, 27940, 31130, 35941, 49808, 55880, 62260, 71882, 111760, 124520, 143764, 179705, 249040, 287528, 359410, 395351, 575056, 718820, 790702, 1437640, 1581404, 1976755, 2875280, 3162808, 3953510, 6325616, 7907020, 15814040, 31628080]

約数ペア:

[(1, 31628080), (2, 15814040), (4, 7907020), (5, 6325616), (8, 3953510), (10, 3162808), (11, 2875280), (16, 1976755), (20, 1581404), (22, 1437640), (40, 790702), (44, 718820), (55, 575056), (80, 395351), (88, 359410), (110, 287528), (127, 249040), (176, 179705), (220, 143764), (254, 124520), (283, 111760), (440, 71882), (508, 62260), (566, 55880), (635, 49808), (880, 35941), (1016, 31130), (1132, 27940), (1270, 24904), (1397, 22640), (1415, 22352), (2032, 15565), (2264, 13970), (2540, 12452), (2794, 11320), (2830, 11176), (3113, 10160), (4528, 6985), (5080, 6226), (5588, 5660)]