8941640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7211}}^1$

素因数の和:7253

約数の個数: 32

約数和(自身を含む): 20770560

約数和(自身を除く): 11828920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 7211, 14422, 28844, 36055, 57688, 72110, 144220, 223541, 288440, 447082, 894164, 1117705, 1788328, 2235410, 4470820, 8941640]

約数ペア:

[(1, 8941640), (2, 4470820), (4, 2235410), (5, 1788328), (8, 1117705), (10, 894164), (20, 447082), (31, 288440), (40, 223541), (62, 144220), (124, 72110), (155, 57688), (248, 36055), (310, 28844), (620, 14422), (1240, 7211)]