890308960

素因数分解:

$2^5\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{2729}}^1$

素因数の和:4783

約数の個数: 48

約数和(自身を含む): 2105157600

約数和(自身を除く): 1214848640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2039, 2729, 4078, 5458, 8156, 10195, 10916, 13645, 16312, 20390, 21832, 27290, 32624, 40780, 43664, 54580, 65248, 81560, 87328, 109160, 163120, 218320, 326240, 436640, 5564431, 11128862, 22257724, 27822155, 44515448, 55644310, 89030896, 111288620, 178061792, 222577240, 445154480, 890308960]

約数ペア:

[(1, 890308960), (2, 445154480), (4, 222577240), (5, 178061792), (8, 111288620), (10, 89030896), (16, 55644310), (20, 44515448), (32, 27822155), (40, 22257724), (80, 11128862), (160, 5564431), (2039, 436640), (2729, 326240), (4078, 218320), (5458, 163120), (8156, 109160), (10195, 87328), (10916, 81560), (13645, 65248), (16312, 54580), (20390, 43664), (21832, 40780), (27290, 32624)]