157065680

素因数分解:

$2^4\times 5^1\times {\mathrm{1963321}}^1$

素因数の和:1963334

約数の個数: 20

約数和(自身を含む): 365177892

約数和(自身を除く): 208112212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1963321, 3926642, 7853284, 9816605, 15706568, 19633210, 31413136, 39266420, 78532840, 157065680]

約数ペア:

[(1, 157065680), (2, 78532840), (4, 39266420), (5, 31413136), (8, 19633210), (10, 15706568), (16, 9816605), (20, 7853284), (40, 3926642), (80, 1963321)]