205437440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6173}}^1$

素因数の和:6209

約数の個数: 80

約数和(自身を含む): 530544168

約数和(自身を除く): 325106728

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, 6173, 6656, 8320, 12346, 16640, 24692, 30865, 33280, 49384, 61730, 80249, 98768, 123460, 160498, 197536, 246920, 320996, 395072, 401245, 493840, 641992, 790144, 802490, 987680, 1283984, 1580288, 1604980, 1975360, 2567968, 3160576, 3209960, 3950720, 5135936, 6419920, 7901440, 10271872, 12839840, 15802880, 20543744, 25679680, 41087488, 51359360, 102718720, 205437440]

約数ペア:

[(1, 205437440), (2, 102718720), (4, 51359360), (5, 41087488), (8, 25679680), (10, 20543744), (13, 15802880), (16, 12839840), (20, 10271872), (26, 7901440), (32, 6419920), (40, 5135936), (52, 3950720), (64, 3209960), (65, 3160576), (80, 2567968), (104, 1975360), (128, 1604980), (130, 1580288), (160, 1283984), (208, 987680), (256, 802490), (260, 790144), (320, 641992), (416, 493840), (512, 401245), (520, 395072), (640, 320996), (832, 246920), (1040, 197536), (1280, 160498), (1664, 123460), (2080, 98768), (2560, 80249), (3328, 61730), (4160, 49384), (6173, 33280), (6656, 30865), (8320, 24692), (12346, 16640)]