65327720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 153360000

約数和(自身を除く): 88032280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 199, 232, 283, 290, 398, 566, 580, 796, 995, 1132, 1160, 1415, 1592, 1990, 2264, 2830, 3980, 5660, 5771, 7960, 8207, 11320, 11542, 16414, 23084, 28855, 32828, 41035, 46168, 56317, 57710, 65656, 82070, 112634, 115420, 164140, 225268, 230840, 281585, 328280, 450536, 563170, 1126340, 1633193, 2252680, 3266386, 6532772, 8165965, 13065544, 16331930, 32663860, 65327720]

約数ペア:

[(1, 65327720), (2, 32663860), (4, 16331930), (5, 13065544), (8, 8165965), (10, 6532772), (20, 3266386), (29, 2252680), (40, 1633193), (58, 1126340), (116, 563170), (145, 450536), (199, 328280), (232, 281585), (283, 230840), (290, 225268), (398, 164140), (566, 115420), (580, 112634), (796, 82070), (995, 65656), (1132, 57710), (1160, 56317), (1415, 46168), (1592, 41035), (1990, 32828), (2264, 28855), (2830, 23084), (3980, 16414), (5660, 11542), (5771, 11320), (7960, 8207)]