208432640

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6263}}^1$

素因数の和:6299

約数の個数: 80

約数和(自身を含む): 538278048

約数和(自身を除く): 329845408

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, 2080, 2560, 3328, 4160, 6263, 6656, 8320, 12526, 16640, 25052, 31315, 33280, 50104, 62630, 81419, 100208, 125260, 162838, 200416, 250520, 325676, 400832, 407095, 501040, 651352, 801664, 814190, 1002080, 1302704, 1603328, 1628380, 2004160, 2605408, 3206656, 3256760, 4008320, 5210816, 6513520, 8016640, 10421632, 13027040, 16033280, 20843264, 26054080, 41686528, 52108160, 104216320, 208432640]

約数ペア:

[(1, 208432640), (2, 104216320), (4, 52108160), (5, 41686528), (8, 26054080), (10, 20843264), (13, 16033280), (16, 13027040), (20, 10421632), (26, 8016640), (32, 6513520), (40, 5210816), (52, 4008320), (64, 3256760), (65, 3206656), (80, 2605408), (104, 2004160), (128, 1628380), (130, 1603328), (160, 1302704), (208, 1002080), (256, 814190), (260, 801664), (320, 651352), (416, 501040), (512, 407095), (520, 400832), (640, 325676), (832, 250520), (1040, 200416), (1280, 162838), (1664, 125260), (2080, 100208), (2560, 81419), (3328, 62630), (4160, 50104), (6263, 33280), (6656, 31315), (8320, 25052), (12526, 16640)]