201261680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132409}}^1$

素因数の和:132441

約数の個数: 40

約数和(自身を含む): 492565200

約数和(自身を除く): 291303520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132409, 264818, 529636, 662045, 1059272, 1324090, 2118544, 2515771, 2648180, 5031542, 5296360, 10063084, 10592720, 12578855, 20126168, 25157710, 40252336, 50315420, 100630840, 201261680]

約数ペア:

[(1, 201261680), (2, 100630840), (4, 50315420), (5, 40252336), (8, 25157710), (10, 20126168), (16, 12578855), (19, 10592720), (20, 10063084), (38, 5296360), (40, 5031542), (76, 2648180), (80, 2515771), (95, 2118544), (152, 1324090), (190, 1059272), (304, 662045), (380, 529636), (760, 264818), (1520, 132409)]