54904120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 127876320

約数和(自身を除く): 72972200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 233, 274, 344, 430, 466, 548, 685, 860, 932, 1096, 1165, 1370, 1720, 1864, 2330, 2740, 4660, 5480, 5891, 9320, 10019, 11782, 20038, 23564, 29455, 31921, 40076, 47128, 50095, 58910, 63842, 80152, 100190, 117820, 127684, 159605, 200380, 235640, 255368, 319210, 400760, 638420, 1276840, 1372603, 2745206, 5490412, 6863015, 10980824, 13726030, 27452060, 54904120]

約数ペア:

[(1, 54904120), (2, 27452060), (4, 13726030), (5, 10980824), (8, 6863015), (10, 5490412), (20, 2745206), (40, 1372603), (43, 1276840), (86, 638420), (137, 400760), (172, 319210), (215, 255368), (233, 235640), (274, 200380), (344, 159605), (430, 127684), (466, 117820), (548, 100190), (685, 80152), (860, 63842), (932, 58910), (1096, 50095), (1165, 47128), (1370, 40076), (1720, 31921), (1864, 29455), (2330, 23564), (2740, 20038), (4660, 11782), (5480, 10019), (5891, 9320)]