79801880

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5209}}^1$

素因数の和:5603

約数の個数: 32

約数和(自身を含む): 180057600

約数和(自身を除く): 100255720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 5209, 7660, 10418, 15320, 20836, 26045, 41672, 52090, 104180, 208360, 1995047, 3990094, 7980188, 9975235, 15960376, 19950470, 39900940, 79801880]

約数ペア:

[(1, 79801880), (2, 39900940), (4, 19950470), (5, 15960376), (8, 9975235), (10, 7980188), (20, 3990094), (40, 1995047), (383, 208360), (766, 104180), (1532, 52090), (1915, 41672), (3064, 26045), (3830, 20836), (5209, 15320), (7660, 10418)]