65695040

素因数分解:

$2^6\times 5^1\times {\mathrm{205297}}^1$

素因数の和:205314

約数の個数: 28

約数和(自身を含む): 156437076

約数和(自身を除く): 90742036

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 205297, 410594, 821188, 1026485, 1642376, 2052970, 3284752, 4105940, 6569504, 8211880, 13139008, 16423760, 32847520, 65695040]

約数ペア:

[(1, 65695040), (2, 32847520), (4, 16423760), (5, 13139008), (8, 8211880), (10, 6569504), (16, 4105940), (20, 3284752), (32, 2052970), (40, 1642376), (64, 1026485), (80, 821188), (160, 410594), (320, 205297)]