159332240

素因数分解:

$2^4\times 5^1\times {\mathrm{1991653}}^1$

素因数の和:1991666

約数の個数: 20

約数和(自身を含む): 370447644

約数和(自身を除く): 211115404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1991653, 3983306, 7966612, 9958265, 15933224, 19916530, 31866448, 39833060, 79666120, 159332240]

約数ペア:

[(1, 159332240), (2, 79666120), (4, 39833060), (5, 31866448), (8, 19916530), (10, 15933224), (16, 9958265), (20, 7966612), (40, 3983306), (80, 1991653)]