156302920

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{24889}}^1$

素因数の和:25057

約数の個数: 32

約数和(自身を含む): 353935800

約数和(自身を除く): 197632880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 24889, 49778, 99556, 124445, 199112, 248890, 497780, 995560, 3907573, 7815146, 15630292, 19537865, 31260584, 39075730, 78151460, 156302920]

約数ペア:

[(1, 156302920), (2, 78151460), (4, 39075730), (5, 31260584), (8, 19537865), (10, 15630292), (20, 7815146), (40, 3907573), (157, 995560), (314, 497780), (628, 248890), (785, 199112), (1256, 124445), (1570, 99556), (3140, 49778), (6280, 24889)]