69431080

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1741}}^1$

素因数の和:2749

約数の個数: 32

約数和(自身を含む): 156466440

約数和(自身を除く): 87035360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1741, 1994, 3482, 3988, 4985, 6964, 7976, 8705, 9970, 13928, 17410, 19940, 34820, 39880, 69640, 1735777, 3471554, 6943108, 8678885, 13886216, 17357770, 34715540, 69431080]

約数ペア:

[(1, 69431080), (2, 34715540), (4, 17357770), (5, 13886216), (8, 8678885), (10, 6943108), (20, 3471554), (40, 1735777), (997, 69640), (1741, 39880), (1994, 34820), (3482, 19940), (3988, 17410), (4985, 13928), (6964, 9970), (7976, 8705)]