158705240

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{4729}}^1$

素因数の和:5579

約数の個数: 32

約数和(自身を含む): 357588000

約数和(自身を除く): 198882760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 3356, 4195, 4729, 6712, 8390, 9458, 16780, 18916, 23645, 33560, 37832, 47290, 94580, 189160, 3967631, 7935262, 15870524, 19838155, 31741048, 39676310, 79352620, 158705240]

約数ペア:

[(1, 158705240), (2, 79352620), (4, 39676310), (5, 31741048), (8, 19838155), (10, 15870524), (20, 7935262), (40, 3967631), (839, 189160), (1678, 94580), (3356, 47290), (4195, 37832), (4729, 33560), (6712, 23645), (8390, 18916), (9458, 16780)]