13379240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 34940160

約数和(自身を除く): 21560920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 673, 710, 994, 1346, 1420, 1988, 2485, 2692, 2840, 3365, 3976, 4711, 4970, 5384, 6730, 9422, 9940, 13460, 18844, 19880, 23555, 26920, 37688, 47110, 47783, 94220, 95566, 188440, 191132, 238915, 334481, 382264, 477830, 668962, 955660, 1337924, 1672405, 1911320, 2675848, 3344810, 6689620, 13379240]

約数ペア:

[(1, 13379240), (2, 6689620), (4, 3344810), (5, 2675848), (7, 1911320), (8, 1672405), (10, 1337924), (14, 955660), (20, 668962), (28, 477830), (35, 382264), (40, 334481), (56, 238915), (70, 191132), (71, 188440), (140, 95566), (142, 94220), (280, 47783), (284, 47110), (355, 37688), (497, 26920), (568, 23555), (673, 19880), (710, 18844), (994, 13460), (1346, 9940), (1420, 9422), (1988, 6730), (2485, 5384), (2692, 4970), (2840, 4711), (3365, 3976)]