157429960

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{4691}}^1$

素因数の和:5541

約数の個数: 32

約数和(自身を含む): 354715200

約数和(自身を除く): 197285240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 3356, 4195, 4691, 6712, 8390, 9382, 16780, 18764, 23455, 33560, 37528, 46910, 93820, 187640, 3935749, 7871498, 15742996, 19678745, 31485992, 39357490, 78714980, 157429960]

約数ペア:

[(1, 157429960), (2, 78714980), (4, 39357490), (5, 31485992), (8, 19678745), (10, 15742996), (20, 7871498), (40, 3935749), (839, 187640), (1678, 93820), (3356, 46910), (4195, 37528), (4691, 33560), (6712, 23455), (8390, 18764), (9382, 16780)]