7997440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 21228480

約数和(自身を除く): 13231040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 128, 142, 160, 176, 220, 256, 284, 320, 352, 355, 440, 512, 568, 640, 704, 710, 781, 880, 1024, 1136, 1280, 1408, 1420, 1562, 1760, 2048, 2272, 2560, 2816, 2840, 3124, 3520, 3905, 4544, 5120, 5632, 5680, 6248, 7040, 7810, 9088, 10240, 11264, 11360, 12496, 14080, 15620, 18176, 22528, 22720, 24992, 28160, 31240, 36352, 45440, 49984, 56320, 62480, 72704, 90880, 99968, 112640, 124960, 145408, 181760, 199936, 249920, 363520, 399872, 499840, 727040, 799744, 999680, 1599488, 1999360, 3998720, 7997440]

約数ペア:

[(1, 7997440), (2, 3998720), (4, 1999360), (5, 1599488), (8, 999680), (10, 799744), (11, 727040), (16, 499840), (20, 399872), (22, 363520), (32, 249920), (40, 199936), (44, 181760), (55, 145408), (64, 124960), (71, 112640), (80, 99968), (88, 90880), (110, 72704), (128, 62480), (142, 56320), (160, 49984), (176, 45440), (220, 36352), (256, 31240), (284, 28160), (320, 24992), (352, 22720), (355, 22528), (440, 18176), (512, 15620), (568, 14080), (640, 12496), (704, 11360), (710, 11264), (781, 10240), (880, 9088), (1024, 7810), (1136, 7040), (1280, 6248), (1408, 5680), (1420, 5632), (1562, 5120), (1760, 4544), (2048, 3905), (2272, 3520), (2560, 3124), (2816, 2840)]