4080860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 9924096

約数和(自身を除く): 5843236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 283, 412, 515, 566, 721, 1030, 1132, 1415, 1442, 1981, 2060, 2830, 2884, 3605, 3962, 5660, 7210, 7924, 9905, 14420, 19810, 29149, 39620, 58298, 116596, 145745, 204043, 291490, 408086, 582980, 816172, 1020215, 2040430, 4080860]

約数ペア:

[(1, 4080860), (2, 2040430), (4, 1020215), (5, 816172), (7, 582980), (10, 408086), (14, 291490), (20, 204043), (28, 145745), (35, 116596), (70, 58298), (103, 39620), (140, 29149), (206, 19810), (283, 14420), (412, 9905), (515, 7924), (566, 7210), (721, 5660), (1030, 3962), (1132, 3605), (1415, 2884), (1442, 2830), (1981, 2060)]