80163020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{81799}}^1$

素因数の和:81822

約数の個数: 36

約数和(自身を含む): 195829200

約数和(自身を除く): 115666180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 81799, 163598, 327196, 408995, 572593, 817990, 1145186, 1635980, 2290372, 2862965, 4008151, 5725930, 8016302, 11451860, 16032604, 20040755, 40081510, 80163020]

約数ペア:

[(1, 80163020), (2, 40081510), (4, 20040755), (5, 16032604), (7, 11451860), (10, 8016302), (14, 5725930), (20, 4008151), (28, 2862965), (35, 2290372), (49, 1635980), (70, 1145186), (98, 817990), (140, 572593), (196, 408995), (245, 327196), (490, 163598), (980, 81799)]