7841660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 17230752

約数和(自身を除く): 9389092

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 131, 146, 164, 205, 262, 292, 365, 410, 524, 655, 730, 820, 1310, 1460, 2620, 2993, 5371, 5986, 9563, 10742, 11972, 14965, 19126, 21484, 26855, 29930, 38252, 47815, 53710, 59860, 95630, 107420, 191260, 392083, 784166, 1568332, 1960415, 3920830, 7841660]

約数ペア:

[(1, 7841660), (2, 3920830), (4, 1960415), (5, 1568332), (10, 784166), (20, 392083), (41, 191260), (73, 107420), (82, 95630), (131, 59860), (146, 53710), (164, 47815), (205, 38252), (262, 29930), (292, 26855), (365, 21484), (410, 19126), (524, 14965), (655, 11972), (730, 10742), (820, 9563), (1310, 5986), (1460, 5371), (2620, 2993)]