31989760

素因数分解:

$2^{13}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:113

約数の個数: 112

約数和(自身を含む): 84929472

約数和(自身を除く): 52939712

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, 4096, 4544, 5120, 5632, 5680, 6248, 7040, 7810, 8192, 9088, 10240, 11264, 11360, 12496, 14080, 15620, 18176, 20480, 22528, 22720, 24992, 28160, 31240, 36352, 40960, 45056, 45440, 49984, 56320, 62480, 72704, 90112, 90880, 99968, 112640, 124960, 145408, 181760, 199936, 225280, 249920, 290816, 363520, 399872, 450560, 499840, 581632, 727040, 799744, 999680, 1454080, 1599488, 1999360, 2908160, 3198976, 3998720, 6397952, 7997440, 15994880, 31989760]

約数ペア:

[(1, 31989760), (2, 15994880), (4, 7997440), (5, 6397952), (8, 3998720), (10, 3198976), (11, 2908160), (16, 1999360), (20, 1599488), (22, 1454080), (32, 999680), (40, 799744), (44, 727040), (55, 581632), (64, 499840), (71, 450560), (80, 399872), (88, 363520), (110, 290816), (128, 249920), (142, 225280), (160, 199936), (176, 181760), (220, 145408), (256, 124960), (284, 112640), (320, 99968), (352, 90880), (355, 90112), (440, 72704), (512, 62480), (568, 56320), (640, 49984), (704, 45440), (710, 45056), (781, 40960), (880, 36352), (1024, 31240), (1136, 28160), (1280, 24992), (1408, 22720), (1420, 22528), (1562, 20480), (1760, 18176), (2048, 15620), (2272, 14080), (2560, 12496), (2816, 11360), (2840, 11264), (3124, 10240), (3520, 9088), (3905, 8192), (4096, 7810), (4544, 7040), (5120, 6248), (5632, 5680)]