40494610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3943}}^1$

素因数の和:4042

約数の個数: 32

約数和(自身を含む): 79511040

約数和(自身を除く): 39016430

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 3943, 5135, 7886, 10270, 19715, 39430, 51259, 102518, 256295, 311497, 512590, 622994, 1557485, 3114970, 4049461, 8098922, 20247305, 40494610]

約数ペア:

[(1, 40494610), (2, 20247305), (5, 8098922), (10, 4049461), (13, 3114970), (26, 1557485), (65, 622994), (79, 512590), (130, 311497), (158, 256295), (395, 102518), (790, 51259), (1027, 39430), (2054, 19715), (3943, 10270), (5135, 7886)]