67208840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 89555320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 107, 164, 205, 214, 328, 383, 410, 428, 535, 766, 820, 856, 1070, 1532, 1640, 1915, 2140, 3064, 3830, 4280, 4387, 7660, 8774, 15320, 15703, 17548, 21935, 31406, 35096, 40981, 43870, 62812, 78515, 81962, 87740, 125624, 157030, 163924, 175480, 204905, 314060, 327848, 409810, 628120, 819620, 1639240, 1680221, 3360442, 6720884, 8401105, 13441768, 16802210, 33604420, 67208840]

約数ペア:

[(1, 67208840), (2, 33604420), (4, 16802210), (5, 13441768), (8, 8401105), (10, 6720884), (20, 3360442), (40, 1680221), (41, 1639240), (82, 819620), (107, 628120), (164, 409810), (205, 327848), (214, 314060), (328, 204905), (383, 175480), (410, 163924), (428, 157030), (535, 125624), (766, 87740), (820, 81962), (856, 78515), (1070, 62812), (1532, 43870), (1640, 40981), (1915, 35096), (2140, 31406), (3064, 21935), (3830, 17548), (4280, 15703), (4387, 15320), (7660, 8774)]