2477840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:719

約数の個数: 40

約数和(自身を含む): 5892480

約数和(自身を除く): 3414640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 659, 752, 940, 1318, 1880, 2636, 3295, 3760, 5272, 6590, 10544, 13180, 26360, 30973, 52720, 61946, 123892, 154865, 247784, 309730, 495568, 619460, 1238920, 2477840]

約数ペア:

[(1, 2477840), (2, 1238920), (4, 619460), (5, 495568), (8, 309730), (10, 247784), (16, 154865), (20, 123892), (40, 61946), (47, 52720), (80, 30973), (94, 26360), (188, 13180), (235, 10544), (376, 6590), (470, 5272), (659, 3760), (752, 3295), (940, 2636), (1318, 1880)]