91951280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8269}}^1$

素因数の和:8421

約数の個数: 40

約数和(自身を含む): 215350800

約数和(自身を除く): 123399520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 8269, 11120, 16538, 33076, 41345, 66152, 82690, 132304, 165380, 330760, 661520, 1149391, 2298782, 4597564, 5746955, 9195128, 11493910, 18390256, 22987820, 45975640, 91951280]

約数ペア:

[(1, 91951280), (2, 45975640), (4, 22987820), (5, 18390256), (8, 11493910), (10, 9195128), (16, 5746955), (20, 4597564), (40, 2298782), (80, 1149391), (139, 661520), (278, 330760), (556, 165380), (695, 132304), (1112, 82690), (1390, 66152), (2224, 41345), (2780, 33076), (5560, 16538), (8269, 11120)]