8938840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5197}}^1$

素因数の和:5251

約数の個数: 32

約数和(自身を含む): 20584080

約数和(自身を除く): 11645240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5197, 10394, 20788, 25985, 41576, 51970, 103940, 207880, 223471, 446942, 893884, 1117355, 1787768, 2234710, 4469420, 8938840]

約数ペア:

[(1, 8938840), (2, 4469420), (4, 2234710), (5, 1787768), (8, 1117355), (10, 893884), (20, 446942), (40, 223471), (43, 207880), (86, 103940), (172, 51970), (215, 41576), (344, 25985), (430, 20788), (860, 10394), (1720, 5197)]