64263680

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1931}}^1$

素因数の和:1967

約数の個数: 80

約数和(自身を含む): 166020624

約数和(自身を除く): 101756944

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, 1931, 2080, 2560, 3328, 3862, 4160, 6656, 7724, 8320, 9655, 15448, 16640, 19310, 25103, 30896, 33280, 38620, 50206, 61792, 77240, 100412, 123584, 125515, 154480, 200824, 247168, 251030, 308960, 401648, 494336, 502060, 617920, 803296, 988672, 1004120, 1235840, 1606592, 2008240, 2471680, 3213184, 4016480, 4943360, 6426368, 8032960, 12852736, 16065920, 32131840, 64263680]

約数ペア:

[(1, 64263680), (2, 32131840), (4, 16065920), (5, 12852736), (8, 8032960), (10, 6426368), (13, 4943360), (16, 4016480), (20, 3213184), (26, 2471680), (32, 2008240), (40, 1606592), (52, 1235840), (64, 1004120), (65, 988672), (80, 803296), (104, 617920), (128, 502060), (130, 494336), (160, 401648), (208, 308960), (256, 251030), (260, 247168), (320, 200824), (416, 154480), (512, 125515), (520, 123584), (640, 100412), (832, 77240), (1040, 61792), (1280, 50206), (1664, 38620), (1931, 33280), (2080, 30896), (2560, 25103), (3328, 19310), (3862, 16640), (4160, 15448), (6656, 9655), (7724, 8320)]