28965304880

素因数分解:

$2^4\times 5^1\times {\mathrm{10531}}^1\times {\mathrm{34381}}^1$

素因数の和:44925

約数の個数: 40

約数和(自身を含む): 67352687664

約数和(自身を除く): 38387382784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10531, 21062, 34381, 42124, 52655, 68762, 84248, 105310, 137524, 168496, 171905, 210620, 275048, 343810, 421240, 550096, 687620, 842480, 1375240, 2750480, 362066311, 724132622, 1448265244, 1810331555, 2896530488, 3620663110, 5793060976, 7241326220, 14482652440, 28965304880]

約数ペア:

[(1, 28965304880), (2, 14482652440), (4, 7241326220), (5, 5793060976), (8, 3620663110), (10, 2896530488), (16, 1810331555), (20, 1448265244), (40, 724132622), (80, 362066311), (10531, 2750480), (21062, 1375240), (34381, 842480), (42124, 687620), (52655, 550096), (68762, 421240), (84248, 343810), (105310, 275048), (137524, 210620), (168496, 171905)]