406521040

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{24083}}^1$

素因数の和:24307

約数の個数: 40

約数和(自身を含む): 949680288

約数和(自身を除く): 543159248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 16880, 24083, 48166, 96332, 120415, 192664, 240830, 385328, 481660, 963320, 1926640, 5081513, 10163026, 20326052, 25407565, 40652104, 50815130, 81304208, 101630260, 203260520, 406521040]

約数ペア:

[(1, 406521040), (2, 203260520), (4, 101630260), (5, 81304208), (8, 50815130), (10, 40652104), (16, 25407565), (20, 20326052), (40, 10163026), (80, 5081513), (211, 1926640), (422, 963320), (844, 481660), (1055, 385328), (1688, 240830), (2110, 192664), (3376, 120415), (4220, 96332), (8440, 48166), (16880, 24083)]