17883280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7211}}^1$

素因数の和:7255

約数の個数: 40

約数和(自身を含む): 42925824

約数和(自身を除く): 25042544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7211, 14422, 28844, 36055, 57688, 72110, 115376, 144220, 223541, 288440, 447082, 576880, 894164, 1117705, 1788328, 2235410, 3576656, 4470820, 8941640, 17883280]

約数ペア:

[(1, 17883280), (2, 8941640), (4, 4470820), (5, 3576656), (8, 2235410), (10, 1788328), (16, 1117705), (20, 894164), (31, 576880), (40, 447082), (62, 288440), (80, 223541), (124, 144220), (155, 115376), (248, 72110), (310, 57688), (496, 36055), (620, 28844), (1240, 14422), (2480, 7211)]