259717120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1991

約数の個数: 96

約数和(自身を含む): 671448960

約数和(自身を除く): 411731840

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, 1024, 1040, 1280, 1664, 1951, 2048, 2080, 2560, 3328, 3902, 4160, 5120, 6656, 7804, 8320, 9755, 10240, 13312, 15608, 16640, 19510, 25363, 26624, 31216, 33280, 39020, 50726, 62432, 66560, 78040, 101452, 124864, 126815, 133120, 156080, 202904, 249728, 253630, 312160, 405808, 499456, 507260, 624320, 811616, 998912, 1014520, 1248640, 1623232, 1997824, 2029040, 2497280, 3246464, 3995648, 4058080, 4994560, 6492928, 8116160, 9989120, 12985856, 16232320, 19978240, 25971712, 32464640, 51943424, 64929280, 129858560, 259717120]

約数ペア:

[(1, 259717120), (2, 129858560), (4, 64929280), (5, 51943424), (8, 32464640), (10, 25971712), (13, 19978240), (16, 16232320), (20, 12985856), (26, 9989120), (32, 8116160), (40, 6492928), (52, 4994560), (64, 4058080), (65, 3995648), (80, 3246464), (104, 2497280), (128, 2029040), (130, 1997824), (160, 1623232), (208, 1248640), (256, 1014520), (260, 998912), (320, 811616), (416, 624320), (512, 507260), (520, 499456), (640, 405808), (832, 312160), (1024, 253630), (1040, 249728), (1280, 202904), (1664, 156080), (1951, 133120), (2048, 126815), (2080, 124864), (2560, 101452), (3328, 78040), (3902, 66560), (4160, 62432), (5120, 50726), (6656, 39020), (7804, 33280), (8320, 31216), (9755, 26624), (10240, 25363), (13312, 19510), (15608, 16640)]