28214240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9281}}^1$

素因数の和:9315

約数の個数: 48

約数和(自身を含む): 70171920

約数和(自身を除く): 41957680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9281, 18562, 37124, 46405, 74248, 92810, 148496, 176339, 185620, 296992, 352678, 371240, 705356, 742480, 881695, 1410712, 1484960, 1763390, 2821424, 3526780, 5642848, 7053560, 14107120, 28214240]

約数ペア:

[(1, 28214240), (2, 14107120), (4, 7053560), (5, 5642848), (8, 3526780), (10, 2821424), (16, 1763390), (19, 1484960), (20, 1410712), (32, 881695), (38, 742480), (40, 705356), (76, 371240), (80, 352678), (95, 296992), (152, 185620), (160, 176339), (190, 148496), (304, 92810), (380, 74248), (608, 46405), (760, 37124), (1520, 18562), (3040, 9281)]