115191880

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{4451}}^1$

素因数の和:5109

約数の個数: 32

約数和(自身を含む): 259640640

約数和(自身を除く): 144448760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 4451, 5176, 6470, 8902, 12940, 17804, 22255, 25880, 35608, 44510, 89020, 178040, 2879797, 5759594, 11519188, 14398985, 23038376, 28797970, 57595940, 115191880]

約数ペア:

[(1, 115191880), (2, 57595940), (4, 28797970), (5, 23038376), (8, 14398985), (10, 11519188), (20, 5759594), (40, 2879797), (647, 178040), (1294, 89020), (2588, 44510), (3235, 35608), (4451, 25880), (5176, 22255), (6470, 17804), (8902, 12940)]