82478080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 88

約数和(自身を含む): 201179160

約数和(自身を除く): 118701080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 181, 256, 320, 356, 362, 445, 512, 640, 712, 724, 890, 905, 1024, 1280, 1424, 1448, 1780, 1810, 2560, 2848, 2896, 3560, 3620, 5120, 5696, 5792, 7120, 7240, 11392, 11584, 14240, 14480, 16109, 22784, 23168, 28480, 28960, 32218, 45568, 46336, 56960, 57920, 64436, 80545, 91136, 92672, 113920, 115840, 128872, 161090, 185344, 227840, 231680, 257744, 322180, 455680, 463360, 515488, 644360, 926720, 1030976, 1288720, 2061952, 2577440, 4123904, 5154880, 8247808, 10309760, 16495616, 20619520, 41239040, 82478080]

約数ペア:

[(1, 82478080), (2, 41239040), (4, 20619520), (5, 16495616), (8, 10309760), (10, 8247808), (16, 5154880), (20, 4123904), (32, 2577440), (40, 2061952), (64, 1288720), (80, 1030976), (89, 926720), (128, 644360), (160, 515488), (178, 463360), (181, 455680), (256, 322180), (320, 257744), (356, 231680), (362, 227840), (445, 185344), (512, 161090), (640, 128872), (712, 115840), (724, 113920), (890, 92672), (905, 91136), (1024, 80545), (1280, 64436), (1424, 57920), (1448, 56960), (1780, 46336), (1810, 45568), (2560, 32218), (2848, 28960), (2896, 28480), (3560, 23168), (3620, 22784), (5120, 16109), (5696, 14480), (5792, 14240), (7120, 11584), (7240, 11392)]