78105920

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3643}}^1$

素因数の和:3727

約数の個数: 56

約数和(自身を含む): 188817504

約数和(自身を除く): 110711584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 2144, 2680, 3643, 4288, 5360, 7286, 10720, 14572, 18215, 21440, 29144, 36430, 58288, 72860, 116576, 145720, 233152, 244081, 291440, 488162, 582880, 976324, 1165760, 1220405, 1952648, 2440810, 3905296, 4881620, 7810592, 9763240, 15621184, 19526480, 39052960, 78105920]

約数ペア:

[(1, 78105920), (2, 39052960), (4, 19526480), (5, 15621184), (8, 9763240), (10, 7810592), (16, 4881620), (20, 3905296), (32, 2440810), (40, 1952648), (64, 1220405), (67, 1165760), (80, 976324), (134, 582880), (160, 488162), (268, 291440), (320, 244081), (335, 233152), (536, 145720), (670, 116576), (1072, 72860), (1340, 58288), (2144, 36430), (2680, 29144), (3643, 21440), (4288, 18215), (5360, 14572), (7286, 10720)]