155202280

素因数分解:

$2^3\times 5^1\times {\mathrm{3880057}}^1$

素因数の和:3880068

約数の個数: 16

約数和(自身を含む): 349205220

約数和(自身を除く): 194002940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3880057, 7760114, 15520228, 19400285, 31040456, 38800570, 77601140, 155202280]

約数ペア:

[(1, 155202280), (2, 77601140), (4, 38800570), (5, 31040456), (8, 19400285), (10, 15520228), (20, 7760114), (40, 3880057)]