51545480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9689}}^1$

素因数の和:9726

約数の個数: 64

約数和(自身を含む): 139536000

約数和(自身を除く): 87990520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 9689, 19378, 38756, 48445, 67823, 77512, 96890, 135646, 184091, 193780, 271292, 339115, 368182, 387560, 542584, 678230, 736364, 920455, 1288637, 1356460, 1472728, 1840910, 2577274, 2712920, 3681820, 5154548, 6443185, 7363640, 10309096, 12886370, 25772740, 51545480]

約数ペア:

[(1, 51545480), (2, 25772740), (4, 12886370), (5, 10309096), (7, 7363640), (8, 6443185), (10, 5154548), (14, 3681820), (19, 2712920), (20, 2577274), (28, 1840910), (35, 1472728), (38, 1356460), (40, 1288637), (56, 920455), (70, 736364), (76, 678230), (95, 542584), (133, 387560), (140, 368182), (152, 339115), (190, 271292), (266, 193780), (280, 184091), (380, 135646), (532, 96890), (665, 77512), (760, 67823), (1064, 48445), (1330, 38756), (2660, 19378), (5320, 9689)]