39128810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7873}}^1$

素因数の和:7958

約数の個数: 32

約数和(自身を含む): 81637632

約数和(自身を除く): 42508822

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 7873, 15746, 39365, 55111, 78730, 110222, 275555, 551110, 558983, 1117966, 2794915, 3912881, 5589830, 7825762, 19564405, 39128810]

約数ペア:

[(1, 39128810), (2, 19564405), (5, 7825762), (7, 5589830), (10, 3912881), (14, 2794915), (35, 1117966), (70, 558983), (71, 551110), (142, 275555), (355, 110222), (497, 78730), (710, 55111), (994, 39365), (2485, 15746), (4970, 7873)]