17539840

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 42825888

約数和(自身を除く): 25286048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 193, 256, 284, 320, 355, 386, 568, 640, 710, 772, 965, 1136, 1280, 1420, 1544, 1930, 2272, 2840, 3088, 3860, 4544, 5680, 6176, 7720, 9088, 11360, 12352, 13703, 15440, 18176, 22720, 24704, 27406, 30880, 45440, 49408, 54812, 61760, 68515, 90880, 109624, 123520, 137030, 219248, 247040, 274060, 438496, 548120, 876992, 1096240, 1753984, 2192480, 3507968, 4384960, 8769920, 17539840]

約数ペア:

[(1, 17539840), (2, 8769920), (4, 4384960), (5, 3507968), (8, 2192480), (10, 1753984), (16, 1096240), (20, 876992), (32, 548120), (40, 438496), (64, 274060), (71, 247040), (80, 219248), (128, 137030), (142, 123520), (160, 109624), (193, 90880), (256, 68515), (284, 61760), (320, 54812), (355, 49408), (386, 45440), (568, 30880), (640, 27406), (710, 24704), (772, 22720), (965, 18176), (1136, 15440), (1280, 13703), (1420, 12352), (1544, 11360), (1930, 9088), (2272, 7720), (2840, 6176), (3088, 5680), (3860, 4544)]