40467920

素因数分解:

$2^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1433}}^1$

素因数の和:1799

約数の個数: 40

約数和(自身を含む): 94420296

約数和(自身を除く): 53952376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353, 706, 1412, 1433, 1765, 2824, 2866, 3530, 5648, 5732, 7060, 7165, 11464, 14120, 14330, 22928, 28240, 28660, 57320, 114640, 505849, 1011698, 2023396, 2529245, 4046792, 5058490, 8093584, 10116980, 20233960, 40467920]

約数ペア:

[(1, 40467920), (2, 20233960), (4, 10116980), (5, 8093584), (8, 5058490), (10, 4046792), (16, 2529245), (20, 2023396), (40, 1011698), (80, 505849), (353, 114640), (706, 57320), (1412, 28660), (1433, 28240), (1765, 22928), (2824, 14330), (2866, 14120), (3530, 11464), (5648, 7165), (5732, 7060)]