135025720

素因数分解:

$2^3\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{1889}}^1$

素因数の和:3687

約数の個数: 32

約数和(自身を含む): 304138800

約数和(自身を除く): 169113080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1787, 1889, 3574, 3778, 7148, 7556, 8935, 9445, 14296, 15112, 17870, 18890, 35740, 37780, 71480, 75560, 3375643, 6751286, 13502572, 16878215, 27005144, 33756430, 67512860, 135025720]

約数ペア:

[(1, 135025720), (2, 67512860), (4, 33756430), (5, 27005144), (8, 16878215), (10, 13502572), (20, 6751286), (40, 3375643), (1787, 75560), (1889, 71480), (3574, 37780), (3778, 35740), (7148, 18890), (7556, 17870), (8935, 15112), (9445, 14296)]