9139720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5573}}^1$

素因数の和:5625

約数の個数: 32

約数和(自身を含む): 21069720

約数和(自身を除く): 11930000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5573, 11146, 22292, 27865, 44584, 55730, 111460, 222920, 228493, 456986, 913972, 1142465, 1827944, 2284930, 4569860, 9139720]

約数ペア:

[(1, 9139720), (2, 4569860), (4, 2284930), (5, 1827944), (8, 1142465), (10, 913972), (20, 456986), (40, 228493), (41, 222920), (82, 111460), (164, 55730), (205, 44584), (328, 27865), (410, 22292), (820, 11146), (1640, 5573)]