172393040

素因数分解:

$2^4\times 5^1\times {\mathrm{2154913}}^1$

素因数の和:2154926

約数の個数: 20

約数和(自身を含む): 400814004

約数和(自身を除く): 228420964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2154913, 4309826, 8619652, 10774565, 17239304, 21549130, 34478608, 43098260, 86196520, 172393040]

約数ペア:

[(1, 172393040), (2, 86196520), (4, 43098260), (5, 34478608), (8, 21549130), (10, 17239304), (16, 10774565), (20, 8619652), (40, 4309826), (80, 2154913)]