40098440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4751}}^1$

素因数の和:4973

約数の個数: 32

約数和(自身を含む): 90668160

約数和(自身を除く): 50569720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 4751, 8440, 9502, 19004, 23755, 38008, 47510, 95020, 190040, 1002461, 2004922, 4009844, 5012305, 8019688, 10024610, 20049220, 40098440]

約数ペア:

[(1, 40098440), (2, 20049220), (4, 10024610), (5, 8019688), (8, 5012305), (10, 4009844), (20, 2004922), (40, 1002461), (211, 190040), (422, 95020), (844, 47510), (1055, 38008), (1688, 23755), (2110, 19004), (4220, 9502), (4751, 8440)]