4055720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2473}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 9351720

約数和(自身を除く): 5296000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2473, 4946, 9892, 12365, 19784, 24730, 49460, 98920, 101393, 202786, 405572, 506965, 811144, 1013930, 2027860, 4055720]

約数ペア:

[(1, 4055720), (2, 2027860), (4, 1013930), (5, 811144), (8, 506965), (10, 405572), (20, 202786), (40, 101393), (41, 98920), (82, 49460), (164, 24730), (205, 19784), (328, 12365), (410, 9892), (820, 4946), (1640, 2473)]