38839840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 100590336

約数和(自身を除く): 61750496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 71, 80, 104, 130, 142, 160, 208, 260, 263, 284, 355, 416, 520, 526, 568, 710, 923, 1040, 1052, 1136, 1315, 1420, 1846, 2080, 2104, 2272, 2630, 2840, 3419, 3692, 4208, 4615, 5260, 5680, 6838, 7384, 8416, 9230, 10520, 11360, 13676, 14768, 17095, 18460, 18673, 21040, 27352, 29536, 34190, 36920, 37346, 42080, 54704, 68380, 73840, 74692, 93365, 109408, 136760, 147680, 149384, 186730, 242749, 273520, 298768, 373460, 485498, 547040, 597536, 746920, 970996, 1213745, 1493840, 1941992, 2427490, 2987680, 3883984, 4854980, 7767968, 9709960, 19419920, 38839840]

約数ペア:

[(1, 38839840), (2, 19419920), (4, 9709960), (5, 7767968), (8, 4854980), (10, 3883984), (13, 2987680), (16, 2427490), (20, 1941992), (26, 1493840), (32, 1213745), (40, 970996), (52, 746920), (65, 597536), (71, 547040), (80, 485498), (104, 373460), (130, 298768), (142, 273520), (160, 242749), (208, 186730), (260, 149384), (263, 147680), (284, 136760), (355, 109408), (416, 93365), (520, 74692), (526, 73840), (568, 68380), (710, 54704), (923, 42080), (1040, 37346), (1052, 36920), (1136, 34190), (1315, 29536), (1420, 27352), (1846, 21040), (2080, 18673), (2104, 18460), (2272, 17095), (2630, 14768), (2840, 13676), (3419, 11360), (3692, 10520), (4208, 9230), (4615, 8416), (5260, 7384), (5680, 6838)]