56907920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 137884032

約数和(自身を除く): 80976112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 215, 233, 284, 344, 355, 430, 466, 568, 688, 710, 860, 932, 1136, 1165, 1420, 1720, 1864, 2330, 2840, 3053, 3440, 3728, 4660, 5680, 6106, 9320, 10019, 12212, 15265, 16543, 18640, 20038, 24424, 30530, 33086, 40076, 48848, 50095, 61060, 66172, 80152, 82715, 100190, 122120, 132344, 160304, 165430, 200380, 244240, 264688, 330860, 400760, 661720, 711349, 801520, 1323440, 1422698, 2845396, 3556745, 5690792, 7113490, 11381584, 14226980, 28453960, 56907920]

約数ペア:

[(1, 56907920), (2, 28453960), (4, 14226980), (5, 11381584), (8, 7113490), (10, 5690792), (16, 3556745), (20, 2845396), (40, 1422698), (43, 1323440), (71, 801520), (80, 711349), (86, 661720), (142, 400760), (172, 330860), (215, 264688), (233, 244240), (284, 200380), (344, 165430), (355, 160304), (430, 132344), (466, 122120), (568, 100190), (688, 82715), (710, 80152), (860, 66172), (932, 61060), (1136, 50095), (1165, 48848), (1420, 40076), (1720, 33086), (1864, 30530), (2330, 24424), (2840, 20038), (3053, 18640), (3440, 16543), (3728, 15265), (4660, 12212), (5680, 10019), (6106, 9320)]