55599880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198571}}^1$

素因数の和:198589

約数の個数: 32

約数和(自身を含む): 142971840

約数和(自身を除く): 87371960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198571, 397142, 794284, 992855, 1389997, 1588568, 1985710, 2779994, 3971420, 5559988, 6949985, 7942840, 11119976, 13899970, 27799940, 55599880]

約数ペア:

[(1, 55599880), (2, 27799940), (4, 13899970), (5, 11119976), (7, 7942840), (8, 6949985), (10, 5559988), (14, 3971420), (20, 2779994), (28, 1985710), (35, 1588568), (40, 1389997), (56, 992855), (70, 794284), (140, 397142), (280, 198571)]