51521920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 130576320

約数和(自身を除く): 79054400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 223, 304, 320, 361, 380, 446, 608, 640, 722, 760, 892, 1115, 1216, 1444, 1520, 1784, 1805, 2230, 2432, 2888, 3040, 3568, 3610, 4237, 4460, 5776, 6080, 7136, 7220, 8474, 8920, 11552, 12160, 14272, 14440, 16948, 17840, 21185, 23104, 28544, 28880, 33896, 35680, 42370, 46208, 57760, 67792, 71360, 80503, 84740, 115520, 135584, 142720, 161006, 169480, 231040, 271168, 322012, 338960, 402515, 542336, 644024, 677920, 805030, 1288048, 1355840, 1610060, 2576096, 2711680, 3220120, 5152192, 6440240, 10304384, 12880480, 25760960, 51521920]

約数ペア:

[(1, 51521920), (2, 25760960), (4, 12880480), (5, 10304384), (8, 6440240), (10, 5152192), (16, 3220120), (19, 2711680), (20, 2576096), (32, 1610060), (38, 1355840), (40, 1288048), (64, 805030), (76, 677920), (80, 644024), (95, 542336), (128, 402515), (152, 338960), (160, 322012), (190, 271168), (223, 231040), (304, 169480), (320, 161006), (361, 142720), (380, 135584), (446, 115520), (608, 84740), (640, 80503), (722, 71360), (760, 67792), (892, 57760), (1115, 46208), (1216, 42370), (1444, 35680), (1520, 33896), (1784, 28880), (1805, 28544), (2230, 23104), (2432, 21185), (2888, 17840), (3040, 16948), (3568, 14440), (3610, 14272), (4237, 12160), (4460, 11552), (5776, 8920), (6080, 8474), (7136, 7220)]