80108480

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1801}}^1$

素因数の和:1957

約数の個数: 56

約数和(自身を含む): 192237360

約数和(自身を除く): 112128880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 1801, 2224, 2780, 3602, 4448, 5560, 7204, 8896, 9005, 11120, 14408, 18010, 22240, 28816, 36020, 44480, 57632, 72040, 115264, 144080, 250339, 288160, 500678, 576320, 1001356, 1251695, 2002712, 2503390, 4005424, 5006780, 8010848, 10013560, 16021696, 20027120, 40054240, 80108480]

約数ペア:

[(1, 80108480), (2, 40054240), (4, 20027120), (5, 16021696), (8, 10013560), (10, 8010848), (16, 5006780), (20, 4005424), (32, 2503390), (40, 2002712), (64, 1251695), (80, 1001356), (139, 576320), (160, 500678), (278, 288160), (320, 250339), (556, 144080), (695, 115264), (1112, 72040), (1390, 57632), (1801, 44480), (2224, 36020), (2780, 28816), (3602, 22240), (4448, 18010), (5560, 14408), (7204, 11120), (8896, 9005)]