64929280

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1987

約数の個数: 80

約数和(自身を含む): 167739264

約数和(自身を除く): 102809984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 1951, 2080, 2560, 3328, 3902, 4160, 6656, 7804, 8320, 9755, 15608, 16640, 19510, 25363, 31216, 33280, 39020, 50726, 62432, 78040, 101452, 124864, 126815, 156080, 202904, 249728, 253630, 312160, 405808, 499456, 507260, 624320, 811616, 998912, 1014520, 1248640, 1623232, 2029040, 2497280, 3246464, 4058080, 4994560, 6492928, 8116160, 12985856, 16232320, 32464640, 64929280]

約数ペア:

[(1, 64929280), (2, 32464640), (4, 16232320), (5, 12985856), (8, 8116160), (10, 6492928), (13, 4994560), (16, 4058080), (20, 3246464), (26, 2497280), (32, 2029040), (40, 1623232), (52, 1248640), (64, 1014520), (65, 998912), (80, 811616), (104, 624320), (128, 507260), (130, 499456), (160, 405808), (208, 312160), (256, 253630), (260, 249728), (320, 202904), (416, 156080), (512, 126815), (520, 124864), (640, 101452), (832, 78040), (1040, 62432), (1280, 50726), (1664, 39020), (1951, 33280), (2080, 31216), (2560, 25363), (3328, 19510), (3902, 16640), (4160, 15608), (6656, 9755), (7804, 8320)]