17727920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31657}}^1$

素因数の和:31677

約数の個数: 40

約数和(自身を含む): 47107104

約数和(自身を除く): 29379184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 31657, 63314, 126628, 158285, 221599, 253256, 316570, 443198, 506512, 633140, 886396, 1107995, 1266280, 1772792, 2215990, 2532560, 3545584, 4431980, 8863960, 17727920]

約数ペア:

[(1, 17727920), (2, 8863960), (4, 4431980), (5, 3545584), (7, 2532560), (8, 2215990), (10, 1772792), (14, 1266280), (16, 1107995), (20, 886396), (28, 633140), (35, 506512), (40, 443198), (56, 316570), (70, 253256), (80, 221599), (112, 158285), (140, 126628), (280, 63314), (560, 31657)]