15048520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1783}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 34038720

約数和(自身を除く): 18990200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 1783, 2110, 3566, 4220, 7132, 8440, 8915, 14264, 17830, 35660, 71320, 376213, 752426, 1504852, 1881065, 3009704, 3762130, 7524260, 15048520]

約数ペア:

[(1, 15048520), (2, 7524260), (4, 3762130), (5, 3009704), (8, 1881065), (10, 1504852), (20, 752426), (40, 376213), (211, 71320), (422, 35660), (844, 17830), (1055, 14264), (1688, 8915), (1783, 8440), (2110, 7132), (3566, 4220)]