156965404040

素因数分解:

$2^3\times 5^1\times {\mathrm{15859}}^1\times {\mathrm{247439}}^1$

素因数の和:263309

約数の個数: 32

約数和(自身を含む): 353195856000

約数和(自身を除く): 196230451960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15859, 31718, 63436, 79295, 126872, 158590, 247439, 317180, 494878, 634360, 989756, 1237195, 1979512, 2474390, 4948780, 9897560, 3924135101, 7848270202, 15696540404, 19620675505, 31393080808, 39241351010, 78482702020, 156965404040]

約数ペア:

[(1, 156965404040), (2, 78482702020), (4, 39241351010), (5, 31393080808), (8, 19620675505), (10, 15696540404), (20, 7848270202), (40, 3924135101), (15859, 9897560), (31718, 4948780), (63436, 2474390), (79295, 1979512), (126872, 1237195), (158590, 989756), (247439, 634360), (317180, 494878)]