138236480

素因数分解:

$2^6\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1031}}^1$

素因数の和:1467

約数の個数: 56

約数和(自身を含む): 330281280

約数和(自身を除く): 192044800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 419, 838, 1031, 1676, 2062, 2095, 3352, 4124, 4190, 5155, 6704, 8248, 8380, 10310, 13408, 16496, 16760, 20620, 26816, 32992, 33520, 41240, 65984, 67040, 82480, 134080, 164960, 329920, 431989, 863978, 1727956, 2159945, 3455912, 4319890, 6911824, 8639780, 13823648, 17279560, 27647296, 34559120, 69118240, 138236480]

約数ペア:

[(1, 138236480), (2, 69118240), (4, 34559120), (5, 27647296), (8, 17279560), (10, 13823648), (16, 8639780), (20, 6911824), (32, 4319890), (40, 3455912), (64, 2159945), (80, 1727956), (160, 863978), (320, 431989), (419, 329920), (838, 164960), (1031, 134080), (1676, 82480), (2062, 67040), (2095, 65984), (3352, 41240), (4124, 33520), (4190, 32992), (5155, 26816), (6704, 20620), (8248, 16760), (8380, 16496), (10310, 13408)]