5446640

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:777

約数の個数: 40

約数和(自身を含む): 12805728

約数和(自身を除く): 7359088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 661, 824, 1030, 1322, 1648, 2060, 2644, 3305, 4120, 5288, 6610, 8240, 10576, 13220, 26440, 52880, 68083, 136166, 272332, 340415, 544664, 680830, 1089328, 1361660, 2723320, 5446640]

約数ペア:

[(1, 5446640), (2, 2723320), (4, 1361660), (5, 1089328), (8, 680830), (10, 544664), (16, 340415), (20, 272332), (40, 136166), (80, 68083), (103, 52880), (206, 26440), (412, 13220), (515, 10576), (661, 8240), (824, 6610), (1030, 5288), (1322, 4120), (1648, 3305), (2060, 2644)]