201568040

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{7717}}^1$

素因数の和:8381

約数の個数: 32

約数和(自身を含む): 454281480

約数和(自身を除く): 252713440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 7717, 13060, 15434, 26120, 30868, 38585, 61736, 77170, 154340, 308680, 5039201, 10078402, 20156804, 25196005, 40313608, 50392010, 100784020, 201568040]

約数ペア:

[(1, 201568040), (2, 100784020), (4, 50392010), (5, 40313608), (8, 25196005), (10, 20156804), (20, 10078402), (40, 5039201), (653, 308680), (1306, 154340), (2612, 77170), (3265, 61736), (5224, 38585), (6530, 30868), (7717, 26120), (13060, 15434)]